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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
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+
+%% Beginning of file 'sample63.tex'
+%%
+%% Modified 2019 June
+%%
+%% This is a sample manuscript marked up using the
+%% AASTeX v6.3 LaTeX 2e macros.
+%%
+%% AASTeX is now based on Alexey Vikhlinin's emulateapj.cls
+%% (Copyright 2000-2015). See the classfile for details.
+
+%% AASTeX requires revtex4-1.cls (http://publish.aps.org/revtex4/) and
+%% other external packages (latexsym, graphicx, amssymb, longtable, and epsf).
+%% All of these external packages should already be present in the modern TeX
+%% distributions. If not they can also be obtained at www.ctan.org.
+
+%% The first piece of markup in an AASTeX v6.x document is the \documentclass
+%% command. LaTeX will ignore any data that comes before this command. The
+%% documentclass can take an optional argument to modify the output style.
+%% The command below calls the preprint style which will produce a tightly
+%% typeset, one-column, single-spaced document. It is the default and thus
+%% does not need to be explicitly stated.
+%%
+%%
+%% using aastex version 6.3
+\documentclass{aastex63}
+
+%% The default is a single spaced, 10 point font, single spaced article.
+%% There are 5 other style options available via an optional argument. They
+%% can be invoked like this:
+%%
+%% \documentclass[arguments]{aastex63}
+%%
+%% where the layout options are:
+%%
+%% twocolumn : two text columns, 10 point font, single spaced article.
+%% This is the most compact and represent the final published
+%% derived PDF copy of the accepted manuscript from the publisher
+%% manuscript : one text column, 12 point font, double spaced article.
+%% preprint : one text column, 12 point font, single spaced article.
+%% preprint2 : two text columns, 12 point font, single spaced article.
+%% modern : a stylish, single text column, 12 point font, article with
+%% wider left and right margins. This uses the Daniel
+%% Foreman-Mackey and David Hogg design.
+%% RNAAS : Preferred style for Research Notes which are by design
+%% lacking an abstract and brief. DO NOT use \begin{abstract}
+%% and \end{abstract} with this style.
+%%
+%% Note that you can submit to the AAS Journals in any of these 6 styles.
+%%
+%% There are other optional arguments one can invoke to allow other stylistic
+%% actions. The available options are:
+%%
+%% astrosymb : Loads Astrosymb font and define \astrocommands.
+%% tighten : Makes baselineskip slightly smaller, only works with
+%% the twocolumn substyle.
+%% times : uses times font instead of the default
+%% linenumbers : turn on lineno package.
+%% trackchanges : required to see the revision mark up and print its output
+%% longauthor : Do not use the more compressed footnote style (default) for
+%% the author/collaboration/affiliations. Instead print all
+%% affiliation information after each name. Creates a much
+%% longer author list but may be desirable for short
+%% author papers.
+%% twocolappendix : make 2 column appendix.
+%% anonymous : Do not show the authors, affiliations and acknowledgments
+%% for dual anonymous review.
+%%
+%% these can be used in any combination, e.g.
+%%
+%% \documentclass[twocolumn,linenumbers,trackchanges]{aastex63}
+%%
+%% AASTeX v6.* now includes \hyperref support. While we have built in specific
+%% defaults into the classfile you can manually override them with the
+%% \hypersetup command. For example,
+%%
+%% \hypersetup{linkcolor=red,citecolor=green,filecolor=cyan,urlcolor=magenta}
+%%
+%% will change the color of the internal links to red, the links to the
+%% bibliography to green, the file links to cyan, and the external links to
+%% magenta. Additional information on \hyperref options can be found here:
+%% https://www.tug.org/applications/hyperref/manual.html#x1-40003
+%%
+%% Note that in v6.3 "bookmarks" has been changed to "true" in hyperref
+%% to improve the accessibility of the compiled pdf file.
+%%
+%% If you want to create your own macros, you can do so
+%% using \newcommand. Your macros should appear before
+%% the \begin{document} command.
+%%
+\newcommand{\vdag}{(v)^\dagger}
+\newcommand\aastex{AAS\TeX}
+\newcommand\latex{La\TeX}
+
+%% Reintroduced the \received and \accepted commands from AASTeX v5.2
+\received{June 1, 2019}
+\revised{January 10, 2019}
+\accepted{\today}
+%% Command to document which AAS Journal the manuscript was submitted to.
+%% Adds "Submitted to " the argument.
+\submitjournal{AJ}
+
+%% For manuscript that include authors in collaborations, AASTeX v6.3
+%% builds on the \collaboration command to allow greater freedom to
+%% keep the traditional author+affiliation information but only show
+%% subsets. The \collaboration command now must appear AFTER the group
+%% of authors in the collaboration and it takes TWO arguments. The last
+%% is still the collaboration identifier. The text given in this
+%% argument is what will be shown in the manuscript. The first argument
+%% is the number of author above the \collaboration command to show with
+%% the collaboration text. If there are authors that are not part of any
+%% collaboration the \nocollaboration command is used. This command takes
+%% one argument which is also the number of authors above to show. A
+%% dashed line is shown to indicate no collaboration. This example manuscript
+%% shows how these commands work to display specific set of authors
+%% on the front page.
+%%
+%% For manuscript without any need to use \collaboration the
+%% \AuthorCollaborationLimit command from v6.2 can still be used to
+%% show a subset of authors.
+%
+%\AuthorCollaborationLimit=2
+%
+%% will only show Schwarz & Muench on the front page of the manuscript
+%% (assuming the \collaboration and \nocollaboration commands are
+%% commented out).
+%%
+%% Note that all of the author will be shown in the published article.
+%% This feature is meant to be used prior to acceptance to make the
+%% front end of a long author article more manageable. Please do not use
+%% this functionality for manuscripts with less than 20 authors. Conversely,
+%% please do use this when the number of authors exceeds 40.
+%%
+%% Use \allauthors at the manuscript end to show the full author list.
+%% This command should only be used with \AuthorCollaborationLimit is used.
+
+%% The following command can be used to set the latex table counters. It
+%% is needed in this document because it uses a mix of latex tabular and
+%% AASTeX deluxetables. In general it should not be needed.
+%\setcounter{table}{1}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% The following section outlines numerous optional output that
+%% can be displayed in the front matter or as running meta-data.
+%%
+%% If you wish, you may supply running head information, although
+%% this information may be modified by the editorial offices.
+\shorttitle{Sample article}
+\shortauthors{Schwarz et al.}
+%%
+%% You can add a light gray and diagonal water-mark to the first page
+%% with this command:
+%% \watermark{text}
+%% where "text", e.g. DRAFT, is the text to appear. If the text is
+%% long you can control the water-mark size with:
+%% \setwatermarkfontsize{dimension}
+%% where dimension is any recognized LaTeX dimension, e.g. pt, in, etc.
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%% This is the end of the preamble. Indicate the beginning of the
+%% manuscript itself with \begin{document}.
+
+\begin{document}
+
+\title{Template \aastex Article with Examples:
+v6.3\footnote{Released on June, 10th, 2019}}
+
+%% LaTeX will automatically break titles if they run longer than
+%% one line. However, you may use \\ to force a line break if
+%% you desire. In v6.3 you can include a footnote in the title.
+
+%% A significant change from earlier AASTEX versions is in the structure for
+%% calling author and affiliations. The change was necessary to implement
+%% auto-indexing of affiliations which prior was a manual process that could
+%% easily be tedious in large author manuscripts.
+%%
+%% The \author command is the same as before except it now takes an optional
+%% argument which is the 16 digit ORCID. The syntax is:
+%% \author[xxxx-xxxx-xxxx-xxxx]{Author Name}
+%%
+%% This will hyperlink the author name to the author's ORCID page. Note that
+%% during compilation, LaTeX will do some limited checking of the format of
+%% the ID to make sure it is valid. If the "orcid-ID.png" image file is
+%% present or in the LaTeX pathway, the OrcID icon will appear next to
+%% the authors name.
+%%
+%% Use \affiliation for affiliation information. The old \affil is now aliased
+%% to \affiliation. AASTeX v6.3 will automatically index these in the header.
+%% When a duplicate is found its index will be the same as its previous entry.
+%%
+%% Note that \altaffilmark and \altaffiltext have been removed and thus
+%% can not be used to document secondary affiliations. If they are used latex
+%% will issue a specific error message and quit. Please use multiple
+%% \affiliation calls for to document more than one affiliation.
+%%
+%% The new \altaffiliation can be used to indicate some secondary information
+%% such as fellowships. This command produces a non-numeric footnote that is
+%% set away from the numeric \affiliation footnotes. NOTE that if an
+%% \altaffiliation command is used it must come BEFORE the \affiliation call,
+%% right after the \author command, in order to place the footnotes in
+%% the proper location.
+%%
+%% Use \email to set provide email addresses. Each \email will appear on its
+%% own line so you can put multiple email address in one \email call. A new
+%% \correspondingauthor command is available in V6.3 to identify the
+%% corresponding author of the manuscript. It is the author's responsibility
+%% to make sure this name is also in the author list.
+%%
+%% While authors can be grouped inside the same \author and \affiliation
+%% commands it is better to have a single author for each. This allows for
+%% one to exploit all the new benefits and should make book-keeping easier.
+%%
+%% If done correctly the peer review system will be able to
+%% automatically put the author and affiliation information from the manuscript
+%% and save the corresponding author the trouble of entering it by hand.
+
+\correspondingauthor{August Muench}
+\email{greg.schwarz@aas.org, gus.muench@aas.org}
+
+\author[0000-0002-0786-7307]{Greg J. Schwarz}
+\affiliation{American Astronomical Society \\
+1667 K Street NW, Suite 800 \\
+Washington, DC 20006, USA}
+
+\author{August Muench}
+\affiliation{American Astronomical Society \\
+1667 K Street NW, Suite 800 \\
+Washington, DC 20006, USA}
+
+\collaboration{1}{(AAS Journals Data Scientists collaboration)}
+
+\author{Butler Burton}
+\affiliation{Leiden University}
+\affiliation{AAS Journals Associate Editor-in-Chief}
+\nocollaboration{1}
+
+\author{Amy Hendrickson}
+\altaffiliation{AASTeX v6+ programmer}
+\affiliation{TeXnology Inc.}
+
+\collaboration{1}{(LaTeX collaboration)}
+
+\author{Julie Steffen}
+\affiliation{AAS Director of Publishing}
+\affiliation{American Astronomical Society \\
+1667 K Street NW, Suite 800 \\
+Washington, DC 20006, USA}
+
+\author{Scott Chernoff}
+\affiliation{IOP Publishing, Washington, DC 20005}
+
+\nocollaboration{2}
+
+%% Note that the \and command from previous versions of AASTeX is now
+%% depreciated in this version as it is no longer necessary. AASTeX
+%% automatically takes care of all commas and "and"s between authors names.
+
+%% AASTeX 6.3 has the new \collaboration and \nocollaboration commands to
+%% provide the collaboration status of a group of authors. These commands
+%% can be used either before or after the list of corresponding authors. The
+%% argument for \collaboration is the collaboration identifier. Authors are
+%% encouraged to surround collaboration identifiers with ()s. The
+%% \nocollaboration command takes no argument and exists to indicate that
+%% the nearby authors are not part of surrounding collaborations.
+
+%% Mark off the abstract in the ``abstract'' environment.
+\begin{abstract}
+
+This example manuscript is intended to serve as a tutorial and template for
+authors to use when writing their own AAS Journal articles. The manuscript
+includes a history of \aastex\ and documents the new features in the
+previous versions as well as the new features in version 6.3. This
+manuscript includes many figure and table examples to illustrate these new
+features. Information on features not explicitly mentioned in the article
+can be viewed in the manuscript comments or more extensive online
+documentation. Authors are welcome replace the text, tables, figures, and
+bibliography with their own and submit the resulting manuscript to the AAS
+Journals peer review system. The first lesson in the tutorial is to remind
+authors that the AAS Journals, the Astrophysical Journal (ApJ), the
+Astrophysical Journal Letters (ApJL), and Astronomical Journal (AJ), all
+have a 250 word limit for the abstract\footnote{Note that manuscripts
+submitted to the new Research Notes of the American Astronomical Society
+(RNAAS) do \textbf{not} have abstracts.}. If you exceed this length the
+Editorial office will ask you to shorten it. This abstract has 180 words.
+
+\end{abstract}
+
+%% Keywords should appear after the \end{abstract} command.
+%% See the online documentation for the full list of available subject
+%% keywords and the rules for their use.
+\keywords{editorials, notices ---
+miscellaneous --- catalogs --- surveys}
+
+%% From the front matter, we move on to the body of the paper.
+%% Sections are demarcated by \section and \subsection, respectively.
+%% Observe the use of the LaTeX \label
+%% command after the \subsection to give a symbolic KEY to the
+%% subsection for cross-referencing in a \ref command.
+%% You can use LaTeX's \ref and \label commands to keep track of
+%% cross-references to sections, equations, tables, and figures.
+%% That way, if you change the order of any elements, LaTeX will
+%% automatically renumber them.
+%%
+%% We recommend that authors also use the natbib \citep
+%% and \citet commands to identify citations. The citations are
+%% tied to the reference list via symbolic KEYs. The KEY corresponds
+%% to the KEY in the \bibitem in the reference list below.
+
+\section{Introduction} \label{sec:intro}
+
+\latex\ \footnote{\url{http://www.latex-project.org/}} is a document markup
+language that is particularly well suited for the publication of
+mathematical and scientific articles \citep{lamport94}. \latex\ was written
+in 1985 by Leslie Lamport who based it on the \TeX\ typesetting language
+which itself was created by Donald E. Knuth in 1978. In 1988 a suite of
+\latex\ macros were developed to investigate electronic submission and
+publication of AAS Journal articles \citep{1989BAAS...21..780H}. Shortly
+afterwards, Chris Biemesdefer merged these macros and more into a \latex\
+2.08 style file called \aastex. These early \aastex\ versions introduced
+many common commands and practices that authors take for granted today.
+Substantial revisions
+were made by Lee Brotzman and Pierre Landau when the package was updated to
+v4.0. AASTeX v5.0, written in 1995 by Arthur Ogawa, upgraded to \latex\ 2e
+which uses the document class in lieu of a style file. Other improvements
+to version 5 included hypertext support, landscape deluxetables and
+improved figure support to facilitate electronic submission.
+\aastex\ v5.2 was released in 2005 and introduced additional graphics
+support plus new mark up to identifier astronomical objects, datasets and
+facilities.
+
+In 1996 Maxim Markevitch modified the AAS preprint style file, aaspp4.sty,
+to closely emulate the very tight, two column style of a typeset
+Astrophysical Journal article. The result was emulateapj.sty. A year
+later Alexey Vikhlinin took over development and maintenance. In 2001 he
+converted emulateapj into a class file in \latex\ 2e and in 2003 Vikhlinin
+completely rewrote emulateapj based on the APS Journal's RevTEX class.
+
+During this time emulateapj gained growing acceptance in the astronomical
+community as it filled an author need to obtain an approximate number of
+manuscript pages prior to submission for cost and length estimates. The
+tighter typeset also had the added advantage of saving paper when printing
+out hard copies.
+
+Even though author publication charges are no longer based on print pages
+\footnote{see Section \ref{sec:pubcharge} in the Appendix for more details
+about how current article costs are calculated.} the emulateapj class file
+has proven to be extremely popular with AAS Journal authors. An
+analysis of submitted \latex\ manuscripts in 2015 revealed that $\sim$65\%
+either called emulateapj or have a commented emulateapj classfile call
+indicating it was used at some stage of the manuscript construction.
+Clearly authors want to have access to a tightly typeset version of the
+article when corresponding with co-authors and for preprint submissions.
+
+When planning the next \aastex\ release the popularity of emulateapj played
+an important roll in the decision to drop the old base code and adopt and
+modify emulateapj for \aastex\ v6.+ instead. The change brings \aastex\
+inline with what the majority of authors are already using while still
+delivering new and improved features. \aastex\ v6.0 through v6.3 were
+written by Amy Hendrickson. The release dates were January 2016 (v6.0),
+October 2016 (v6.1), January 2018 (v6.2), and June 2019 (v6.3),
+respectively.
+
+The new features in the recent releases includes:
+
+\begin{itemize}
+ \item{v6.0}
+ \begin{enumerate}
+ \item line numbering and watermarking,
+ \item improved citations for third party data repositories and software,
+ \item easier construction of matrix figures consisting of multiple
+encapsulated postscript (EPS) or portable document format (PDF) files,
+ \item figure set mark up for large collections of similar figures,
+ \item color mark up to easily enable/disable revised text highlighting,
+ \item improved url support, and
+ \item numerous table options such as the ability to hide columns, column decimal alignment, automatic column math mode and numbering, plus splitting of wide tables (see Section \ref{subsec:tables} for details).
+ \end{enumerate}
+ \item{v6.1}
+ \begin{enumerate}
+ \item ORCID support for preprints,
+ \item improved author, affiliation and collaboration mark up,
+ \item reintroduced the old AASTeX v5.2 {\tt\string\received}, {\tt\string\revised}, {\tt\string\accepted}, and {\tt\string\published} commands plus added the new {\tt\string\submitjournal} command to document which AAS Journal the manuscript was submitted to, plus
+ \item new typeset style options including {\tt\string modern}.
+ \end{enumerate}
+ \item{v6.2}
+ \begin{enumerate}
+ \item A new RNAAS style option for Research Note manuscripts,
+ \item Titles no longer put in all caps,
+ \item No page skip between the title page and article body,
+ \item re-introduce RevTeX's widetext environment for long lines in two column style formats, and
+ \item upgrade to the {\tt\string\doi} command.
+ \end{enumerate}
+ \item{v6.3}
+ \begin{enumerate}
+ \item New {\tt\string interactive} environment to highlight interactive figures (see Section \ref{animation}),
+ \item Improved collaboration commands,
+ \item New {\tt\string anonymous} style to keep the authors, affiliations and acknowledgments from showing in the compiled pdf for dual anonymous review, and
+ \item Adoptions of IAU approved syntax for nominal units, see Section \ref{nominal}.
+ \end{enumerate}
+\end{itemize}
+
+The rest of this article provides information and examples on how to create
+your own AAS Journal manuscript with v6.3. Special emphasis is placed on
+how to use the full potential of \aastex\ v6+. The next section describes
+the different manuscript styles available and how they differ from past
+releases. Section \ref{sec:floats} describes table and figure placement.
+Specific examples of tables, Section
+\ref{subsec:tables}, and figures, Section \ref{subsec:figures}, are also
+provided. A special emphasis is placed on interactive figures.
+Section \ref{sec:displaymath} discusses how to display math and
+incorporate equations in a manuscript while Section \ref{sec:highlight}
+discuss how to use different ways to highlight revisions. The last section,
+\ref{sec:cite}, shows how recognize software and external data as first
+class references in the manuscript bibliography. An appendix is included
+to show how to construct one and provide some information on how article
+charges are calculated. Additional information is available both embedded
+in the comments of this \latex\ file and in the online documentation at
+\url{http://journals.aas.org/authors/aastex.html}.
+
+\section{Manuscript styles} \label{sec:style}
+
+The default style in \aastex\ v6.3 is a tight single column style, e.g. 10
+point font, single spaced. The single column style is very useful for
+article with wide equations. It is also the easiest to style to work with
+since figures and tables, see Section \ref{sec:floats}, will span the
+entire page, reducing the need for address float sizing.
+
+To invoke a two column style similar to the what is produced in
+the published PDF copy use \\
+
+\noindent {\tt\string\documentclass[twocolumn]\{aastex63\}}. \\
+
+\noindent Note that in the two column style figures and tables will only
+span one column unless specifically ordered across both with the ``*'' flag,
+e.g. \\
+
+\noindent{\tt\string\begin\{figure*\}} ... {\tt\string\end\{figure*\}}, \\
+\noindent{\tt\string\begin\{table*\}} ... {\tt\string\end\{table*\}}, and \\
+\noindent{\tt\string\begin\{deluxetable*\}} ... {\tt\string\end\{deluxetable*\}}. \\
+
+\noindent This option is ignored in the onecolumn style.
+
+Some other style options are outlined in the commented sections of this
+article. Any combination of style options can be used.
+
+Two style options that are needed to fully use the new revision tracking
+feature, see Section \ref{sec:highlight}, are {\tt\string linenumbers} which
+uses the lineno style file to number each article line in the left margin and
+{\tt\string trackchanges} which controls the revision and commenting highlight
+output.
+
+There is also a new {\tt\string modern} option that uses a Daniel
+Foreman-Mackey and David Hogg design to produce stylish, single column
+output that has wider left and right margins. It is designed to have fewer
+words per line to improve reader retention. It also looks better on devices
+with smaller displays such as smart phones.
+
+For a Research Note use the {\tt\string RNAAS} option. This will produce a
+manuscript with no abstract and in the {\tt\string modern} style.
+
+The {\tt\string anonymous} option will prevent the author and affiliations
+from being shown in the compiled pdf copy. This option allows the author
+to keep this critical information in the latex file but prevent the reviewer
+from seeing it during peer review if dual anonymous review is requested.
+Likewise, acknowledgments can also be hidden if placed after the
+{\tt\string\acknowledgments} command.
+
+\section{Floats} \label{sec:floats}
+
+Floats are non-text items that generally can not be split over a page.
+They also have captions and can be numbered for reference. Primarily these
+are figures and tables but authors can define their own. \latex\ tries to
+place a float where indicated in the manuscript but will move it later if
+there is not enough room at that location, hence the term ``float''.
+
+Authors are encouraged to embed their tables and figures within the text as
+they are mentioned. Please do not place the figures and text at the end of
+the article as was the old practice. Editors and the vast majority of
+referees find it much easier to read a manuscript with embedded figures and
+tables.
+
+Depending on the number of floats and the particular amount of text and
+equations present in a manuscript the ultimate location of any specific
+float can be hard to predict prior to compilation. It is recommended that
+authors textbf{not} spend significant time trying to get float placement
+perfect for peer review. The AAS Journal's publisher has sophisticated
+typesetting software that will produce the optimal layout during
+production.
+
+Note that authors of Research Notes are only allowed one float, either one
+table or one figure.
+
+For authors that do want to take the time to optimize the locations of
+their floats there are some techniques that can be used. The simplest
+solution is to placing a float earlier in the text to get the position
+right but this option will break down if the manuscript is altered.
+A better method is to force \latex\ to place a
+float in a general area with the use of the optional {\tt\string [placement
+specifier]} parameter for figures and tables. This parameter goes after
+{\tt\string \begin\{figure\}}, {\tt\string \begin\{table\}}, and
+{\tt\string \begin\{deluxetable\}}. The main arguments the specifier takes
+are ``h'', ``t'', ``b'', and ``!''. These tell \latex\ to place the float
+\underline{h}ere (or as close as possible to this location as possible), at
+the \underline{t}op of the page, and at the \underline{b}ottom of the page.
+The last argument, ``!'', tells \latex\ to override its internal method of
+calculating the float position. A sequence of rules can be created by
+using multiple arguments. For example, {\tt\string \begin\{figure\}[htb!]}
+tells \latex\ to try the current location first, then the top of the page
+and finally the bottom of the page without regard to what it thinks the
+proper position should be. Many of the tables and figures in this article
+use a placement specifier to set their positions.
+
+Note that the \latex\ {\tt\string tabular} environment is not a float. Only
+when a {\tt\string tabular} is surrounded by {\tt\string\begin\{table\}} ...
+{\tt\string\end\{table\}} is it a true float and the rules and suggestions
+above apply.
+
+In AASTeX v6.3 all deluxetables are float tables and thus if they are
+longer than a page will spill off the bottom. Long deluxetables should
+begin with the {\tt\string\startlongtable} command. This initiates a
+longtable environment. Authors might have to use {\tt\string\clearpage} to
+isolate a long table or optimally place it within the surrounding text.
+
+\subsection{Tables} \label{subsec:tables}
+
+Tables can be constructed with \latex's standard table environment or the
+\aastex's deluxetable environment. The deluxetable construct handles long
+tables better but has a larger overhead due to the greater amount of
+defined mark up used set up and manipulate the table structure. The choice
+of which to use is up to the author. Examples of both environments are
+used in this manuscript.
+
+Tables longer than 200 data lines and complex tables should only have a
+short example table with the full data set available in the machine
+readable format. The machine readable table will be available in the HTML
+version of the article with just a short example in the PDF. Authors are
+required to indicate in the table comments that the data in machine
+readable format in the full article.
+Authors are encouraged to create their own machine
+readable tables using the online tool at
+\url{http://authortools.aas.org/MRT/upload.html}.
+
+\aastex\ v6 introduced five new table features that were designed to make
+table construction easier and the resulting display better for AAS Journal
+authors. The items are:
+
+\begin{enumerate}
+\item Declaring math mode in specific columns,
+\item Column decimal alignment,
+\item Automatic column header numbering,
+\item Hiding columns, and
+\item Splitting wide tables into two or three parts.
+\end{enumerate}
+
+Full details on how to create each type are given in the following
+sections. Additional details are available in the AASTeX
+guidelines at \url{http://journals.aas.org/authors/aastex.html}
+
+\subsubsection{Column math mode}
+
+Both the \latex\ tabular and \aastex\ deluxetable require an argument to
+define the alignment and number of columns. The most common values are
+``c'', ``l'' and ``r'' for \underline{c}enter, \underline{l}eft, and
+\underline{r}ight justification. If these values are capitalized, e.g.
+``C'', ``L'', or ``R'', then that specific column will automatically be in math
+mode meaning that \$s are not required. Note that having embedded dollar
+signs in the table does not affect the output.
+
+\subsubsection{Decimal alignment}
+
+Aligning a column by the decimal point can be difficult with only center,
+left, and right justification options. It is possible to use phantom calls
+in the data, e.g. {\tt\string\phn}, to align columns by hand but this can
+be tedious in long or complex tables. To address this \aastex\ introduces
+the {\tt\string\decimals} command and a new column justification option,
+``D'', to align data in that column on the decimal. In deluxetable the
+{\tt\string\decimals} command is invoked before the {\tt\string\startdata}
+call but can be anywhere in \latex's tabular environment.
+
+Two other important thing to note when using decimal alignment is that each
+decimal column \textit{must end with a space before the ampersand}, e.g.
+``\&\&'' is not allowed. Empty decimal columns are indicated with a decimal,
+e.g. ``.''. Do not use deluxetable's {\tt\string\nodata} command.
+
+The ``D'' alignment token works by splitting the column into two parts on the
+decimal. While this is invisible to the user one must be aware of how it
+works so that the headers are accounted for correctly. All decimal column
+headers need to span two columns to get the alignment correct. This can be
+done with a multicolumn call, e.g {\tt\string\multicolumn2c\{\}} or
+{\tt\string\multicolumn\{2\}\{c\}\{\}}, or use the new
+{\tt\string\twocolhead\{\}} command in deluxetable. Since \latex\ is
+splitting these columns into two it is important to get the table width
+right so that they appear joined on the page. You may have to run the
+\latex\ compiler twice to get it right.
+
+\subsubsection{Automatic column header numbering} \label{subsubsec:autonumber}
+
+The command {\tt\string\colnumbers} can be included to automatically number
+each column as the last row in the header. Per the AAS Journal table format
+standards, each column index numbers will be surrounded by parentheses. In
+a \latex\ tabular environment the {\tt\string\colnumbers} should be invoked
+at the location where the author wants the numbers to appear, e.g. after
+the last line of specified table header rows. In deluxetable this command
+has to come before {\tt\string\startdata}. {\tt\string\colnumbers} will
+not increment for columns hidden by the ``h'' command, see Section
+\ref{subsubsec:hide}.
+
+Note that when using decimal alignment in a table the command
+{\tt\string\decimalcolnumbers} must be used instead of
+{\tt\string\colnumbers} and {\tt\string\decimals}.
+
+\subsubsection{Hiding columns} \label{subsubsec:hide}
+
+Entire columns can be \underline{h}idden from display simply by changing
+the specified column identifier to ``h''. In the \latex\ tabular environment
+this column identifier conceals the entire column including the header
+columns. In \aastex's deluxetables the header row is specifically
+declared with the {\tt\string\tablehead} call and each header column is
+marked with {\tt\string\colhead} call. In order to make a specific header
+disappear with the ``h'' column identifier in deluxetable use
+{\tt\string\nocolhead} instead to suppress that particular column header.
+
+Authors can use this option in many different ways. Since column data can
+be easily suppressed authors can include extra information and hid it
+based on the comments of co-authors or referees. For wide tables that will
+have a machine readable version, authors could put all the information in
+the \latex\ table but use this option to hid as many columns as needed until
+it fits on a page. This concealed column table would serve as the
+example table for the full machine readable version. Regardless of how
+columns are obscured, authors are responsible for removing any unneeded
+column data or alerting the editorial office about how to treat these
+columns during production for the final typeset article.
+
+Table \ref{tab:messier} provides some basic information about the first ten
+Messier Objects and illustrates how many of these new features can be used
+together. It has automatic column numbering, decimal alignment of the
+distances, and one concealed column. The Common name column
+is the third in the \latex\ deluxetable but does not appear when the article
+is compiled. This hidden column can be shown simply by changing the ``h'' in
+the column identifier preamble to another valid value. This table also
+uses {\tt\string\tablenum} to renumber the table because a \latex\ tabular
+table was inserted before it.
+
+\begin{deluxetable*}{cchlDlc}
+\tablenum{1}
+\tablecaption{Fun facts about the first 10 messier objects\label{tab:messier}}
+\tablewidth{0pt}
+\tablehead{
+\colhead{Messier} & \colhead{NGC/IC} & \nocolhead{Common} & \colhead{Object} &
+\multicolumn2c{Distance} & \colhead{} & \colhead{V} \\
+\colhead{Number} & \colhead{Number} & \nocolhead{Name} & \colhead{Type} &
+\multicolumn2c{(kpc)} & \colhead{Constellation} & \colhead{(mag)}
+}
+\decimalcolnumbers
+\startdata
+M1 & NGC 1952 & Crab Nebula & Supernova remnant & 2 & Taurus & 8.4 \\
+M2 & NGC 7089 & Messier 2 & Cluster, globular & 11.5 & Aquarius & 6.3 \\
+M3 & NGC 5272 & Messier 3 & Cluster, globular & 10.4 & Canes Venatici & 6.2 \\
+M4 & NGC 6121 & Messier 4 & Cluster, globular & 2.2 & Scorpius & 5.9 \\
+M5 & NGC 5904 & Messier 5 & Cluster, globular & 24.5 & Serpens & 5.9 \\
+M6 & NGC 6405 & Butterfly Cluster & Cluster, open & 0.31 & Scorpius & 4.2 \\
+M7 & NGC 6475 & Ptolemy Cluster & Cluster, open & 0.3 & Scorpius & 3.3 \\
+M8 & NGC 6523 & Lagoon Nebula & Nebula with cluster & 1.25 & Sagittarius & 6.0 \\
+M9 & NGC 6333 & Messier 9 & Cluster, globular & 7.91 & Ophiuchus & 8.4 \\
+M10 & NGC 6254 & Messier 10 & Cluster, globular & 4.42 & Ophiuchus & 6.4 \\
+\enddata
+\tablecomments{This table ``hides'' the third column in the \latex\ when compiled.
+The Distance is also centered on the decimals. Note that when using decimal
+alignment you need to include the {\tt\string\decimals} command before
+{\tt\string\startdata} and all of the values in that column have to have a
+space before the next ampersand.}
+\end{deluxetable*}
+
+\subsubsection{Splitting a table into multiple horizontal components}
+
+Since the AAS Journals are now all electronic with no print version there is
+no reason why tables can not be as wide as authors need them to be.
+However, there are some artificial limitations based on the width of a
+print page. The old way around this limitation was to rotate into
+landscape mode and use the smallest available table font
+sizes, e.g. {\tt\string\tablewidth}, to get the table to fit.
+Unfortunately, this was not always enough but now along with the hide column
+option outlined in Section \ref{subsubsec:hide} there is a new way to break
+a table into two or three components so that it flows down a page by
+invoking a new table type, splittabular or splitdeluxetable. Within these
+tables a new ``B'' column separator is introduced. Much like the vertical
+bar option, ``$\vert$'', that produces a vertical table lines
+the new ``B'' separator indicates where to \underline{B}reak
+a table. Up to two ``B''s may be included.
+
+Table 2 % \ref{tab:deluxesplit} this freaks it out when it is used!
+shows how to split a wide deluxetable into three parts with
+the {\tt\string\splitdeluxetable} command. The {\tt\string\colnumbers}
+option is on to show how the automatic column numbering carries through the
+second table component, see Section \ref{subsubsec:autonumber}.
+
+\begin{splitdeluxetable*}{lccccBcccccBcccc}
+\tabletypesize{\scriptsize}
+\tablewidth{0pt}
+\tablenum{5}
+\tablecaption{Measurements of Emission Lines: two breaks \label{tab:deluxesplit}}
+\tablehead{
+\colhead{Model} & \colhead{Component}& \colhead{Shift} & \colhead{FWHM} &
+\multicolumn{10}{c}{Flux} \\
+\colhead{} & \colhead{} & \colhead{($\rm
+km~s^{-1}$)}& \colhead{($\rm km~s^{-1}$)} & \multicolumn{10}{c}{($\rm
+10^{-17}~erg~s^{-1}~cm^{-2}$)} \\
+\cline{5-14}
+\colhead{} & \colhead{} &
+\colhead{} & \colhead{} & \colhead{Ly$\alpha$} & \colhead{N\,{\footnotesize
+V}} & \colhead{Si\,{\footnotesize IV}} & \colhead{C\,{\footnotesize IV}} &
+\colhead{Mg\,{\footnotesize II}} & \colhead{H$\gamma$} & \colhead{H$\beta$}
+& \colhead{H$\alpha$} & \colhead{He\,{\footnotesize I}} &
+\colhead{Pa$\gamma$}
+}
+\colnumbers
+\startdata
+{ }& BELs& -97.13 & 9117$\pm 38$& 1033$\pm 33$&$< 35$&$< 166$& 637$\pm 31$& 1951$\pm 26$& 991$\pm 30$& 3502$\pm 42$& 20285$\pm 80$& 2025$\pm 116$& 1289$\pm 107$\\
+{Model 1}& IELs& -4049.123 & 1974$\pm 22$& 2495$\pm 30$&$< 42$&$< 109$& 995$\pm 186$& 83$\pm 30$& 75$\pm 23$& 130$\pm 25$& 357$\pm 94$& 194$\pm 64$& 36$\pm 23$\\
+{ }& NELs& \nodata & 641$\pm 4$& 449$\pm 23$&$< 6$&$< 9$& -- & 275$\pm 18$& 150$\pm 11$& 313$\pm 12$& 958$\pm 43$& 318$\pm 34$& 151$\pm 17$\\
+\hline
+{ }& BELs& -85 & 8991$\pm 41$& 988$\pm 29$&$< 24$&$< 173$& 623$\pm 28$& 1945$\pm 29$& 989$\pm 27$& 3498$\pm 37$& 20288$\pm 73$& 2047$\pm 143$& 1376$\pm 167$\\
+{Model 2}& IELs& -51000 & 2025$\pm 26$& 2494$\pm 32$&$< 37$&$< 124$& 1005$\pm 190$& 72$\pm 28$& 72$\pm 21$& 113$\pm 18$& 271$\pm 85$& 205$\pm 72$& 34$\pm 21$\\
+{ }& NELs& 52 & 637$\pm 10$& 477$\pm 17$&$< 4$&$< 8$& -- & 278$\pm 17$& 153$\pm 10$& 317$\pm 15$& 969$\pm 40$& 325$\pm 37$&
+ 147$\pm 22$\\
+\enddata
+\tablecomments{This is an example of how to split a deluxetable. You can
+split any table with this command into two or three parts. The location of
+the split is given by the author based on the placement of the ``B''
+indicators in the column identifier preamble. For more information please
+look at the new \aastex\ instructions.}
+\end{splitdeluxetable*}
+
+\subsection{Figures\label{subsec:figures}}
+
+%% The "ht!" tells LaTeX to put the figure "here" first, at the "top" next
+%% and to override the normal way of calculating a float position
+\begin{figure}[ht!]
+\plotone{cost.pdf}
+\caption{The subscription (squares) and author publication (asterisks)
+costs from 1991 to 2013. Subscription cost are on the left Y axis while
+the author costs are on the right Y axis. All numbers in US dollars and
+adjusted for inflation. The author charges also account for the change
+from page charges to digital quanta in April 2011. \label{fig:general}}
+\end{figure}
+
+Authors can include a wide number of different graphics with their articles
+but encapsulated postscript (EPS) or portable document format (PDF) are
+encouraged. These range from general figures all authors are familiar with
+to new enhanced graphics that can only be fully experienced in HTML. The
+later include figure sets, animations and interactive figures. All
+enhanced graphics require a static two dimensional representation in the
+manuscript to serve as the example for the reader. All figures should
+include detailed and descriptive captions. These captions are absolutely
+critical for readers for whom the enhanced figure is inaccessible either
+due to a disability or offline access. This portion of the article
+provides examples for setting up all these types in with the latest version
+of \aastex.
+
+\subsection{General figures\label{subsec:general}}
+
+\aastex\ has a {\tt\string\plotone} command to display a figure consisting
+of one EPS/PDF file. Figure \ref{fig:general} is an example which shows
+the approximate changes in the subscription costs and author publication
+charges from 1991 to 2013 in the AAS Journals. For a general figure
+consisting of two EPS/PDF files the {\tt\string\plottwo} command can be
+used to position the two image files side by side.
+
+Both {\tt\string\plotone} and {\tt\string\plottwo} take a
+{\tt\string\caption} and an optional {\tt\string\figurenum} command to
+specify the figure number\footnote{It is better to not use
+{\tt\string\figurenum} and let LaTeX auto-increment all the figures. If you
+do use this command you need to mark all of them accordingly.}. Each is
+based on the {\tt\string graphicx} package command,
+{\tt\string\includegraphics}. Authors are welcome to use
+{\tt\string\includegraphics} along with its optional arguments that control
+the height, width, scale, and position angle of a file within the figure.
+More information on the full usage of {\tt\string\includegraphics} can be
+found at \break
+\url{https://en.wikibooks.org/wiki/LaTeX/Importing\_Graphics\#Including\_graphics}.
+
+\subsection{Grid figures}
+
+Including more than two EPS/PDF files in a single figure call can be tricky to
+easily format. To make the process easier for authors \aastex\ v6 offers
+{\tt\string\gridline} which allows any number of individual EPS/PDF file
+calls within a single figure. Each file cited in a {\tt\string\gridline}
+will be displayed in a row. By adding more {\tt\string\gridline} calls an
+author can easily construct a matrix X by Y individual files as a
+single general figure.
+
+For each {\tt\string\gridline} command a EPS/PDF file is called by one of
+four different commands. These are {\tt\string\fig},
+{\tt\string\rightfig}, {\tt\string\leftfig}, and {\tt\string\boxedfig}.
+The first file call specifies no image position justification while the
+next two will right and left justify the image, respectively. The
+{\tt\string\boxedfig} is similar to {\tt\string\fig} except that a box is
+drawn around the figure file when displayed. Each of these commands takes
+three arguments. The first is the file name. The second is the width that
+file should be displayed at. While any natural \latex\ unit is allowed, it
+is recommended that author use fractional units with the
+{\tt\string\textwidth}. The last argument is text for a subcaption.
+
+Figure \ref{fig:pyramid} shows an inverted pyramid of individual
+figure constructed with six individual EPS files using the
+{\tt\string\gridline} option.
+
+\begin{figure*}
+\gridline{\fig{V2491_Cyg.pdf}{0.3\textwidth}{(a)}
+ \fig{HV_Cet.pdf}{0.3\textwidth}{(b)}
+ \fig{LMC_2009.pdf}{0.3\textwidth}{(c)}
+ }
+\gridline{\fig{RS_Oph.pdf}{0.3\textwidth}{(d)}
+ \fig{U_Sco.pdf}{0.3\textwidth}{(e)}
+ }
+\gridline{\fig{KT_Eri.pdf}{0.3\textwidth}{(f)}}
+\caption{Inverted pyramid figure of six individual files. The nova are
+(a) V2491 Cyg, (b) HV Cet, (c) LMC 2009, (d) RS Oph, (e) U Sco, and (f)
+KT Eri. These individual figures are taken from \citet{2011ApJS..197...31S}.
+\label{fig:pyramid}}
+\end{figure*}
+
+\subsection{Enhanced graphics}
+
+Enhanced graphics have an example figure to serve as an example for the
+reader and the full graphical item available in the published HTML article.
+This includes Figure sets, animations, and interactive figures. The
+Astronomy Image Explorer (\url{http://www.astroexplorer.org/}) provides
+access to all the figures published in the AAS Journals since they offered
+an electronic version which was in the mid 1990s. You can filter image
+searches by specific terms, year, journal, or type. The type filter is
+particularly useful for finding all published enhanced graphics. As of
+June 2019 there are over 3000 videos, 1000 figure sets, and 65 interactive
+figures. The next sections describe how to include these types of graphics
+in your own manuscripts.
+
+\subsubsection{Figure sets}
+
+The grid commands given above works great for a limited set of individual
+figure files but what do you do if you have many 10s or 100s or even 1000s of
+individual figure files? Figure sets represents a virtual flip book of a
+large group of similar style figures. The derived PDF article will only
+shows an example figure while the enhanced content is available in the
+figure set in the HTML edition. The advantage of a figure set gives the
+reader the ability to easily sort through a large collection to find
+individual component figures. The advantage to the author is that grouping
+similar figures into a figure set can result in significant cost savings in
+terms of reduced publication charges, see Appendix B. All of the figure set
+components, along with their html framework, are also available to the reader
+for download in a single .tar.gz package.
+
+Special \latex\ mark up is required to create a figure set. Prior to
+\aastex\ v6 the underlying mark up commands had to be inserted by hand
+but is now included. Note that when an article with figure set is compiled
+in \latex\ none of the component figures are shown and a floating Figure
+Set caption will appear in the resulting PDF.
+
+\figsetstart
+\figsetnum{4}
+\figsettitle{Swift X-ray light curves}
+
+\figsetgrpstart
+\figsetgrpnum{1.1}
+\figsetgrptitle{KT Eri}
+\figsetplot{KT_Eri.pdf}
+\figsetgrpnote{The Swift/XRT X-ray light curve for the first year after
+outburst of KT Eri.}
+\figsetgrpend
+
+\figsetgrpstart
+\figsetgrpnum{1.2}
+\figsetgrptitle{RS Oph}
+\figsetplot{RS_Oph.pdf}
+\figsetgrpnote{The Swift/XRT X-ray light curve for the first year after
+outburst of RS Oph.}
+\figsetgrpend
+
+\figsetgrpstart
+\figsetgrpnum{1.3}
+\figsetgrptitle{U Sco}
+\figsetplot{U_Sco.pdf}
+\figsetgrpnote{The Swift/XRT X-ray light curve for the first year after
+outburst of U Sco.}
+\figsetgrpend
+
+\figsetgrpstart
+\figsetgrpnum{1.4}
+\figsetgrptitle{V2491 Cyg}
+\figsetplot{V2491_Cyg.pdf}
+\figsetgrpnote{The Swift/XRT X-ray light curve for the first year after
+outburst of V2491 Cyg.}
+\figsetgrpend
+
+\figsetgrpstart
+\figsetgrpnum{1.5}
+\figsetgrptitle{Nova LMC 2009}
+\figsetplot{LMC_2009.pdf}
+\figsetgrpnote{The Swift/XRT X-ray light curve for the first year after
+outburst of nova LMC 2009.}
+\figsetgrpend
+
+\figsetgrpstart
+\figsetgrpnum{1.6}
+\figsetgrptitle{HV Cet}
+\figsetplot{HV_Cet.pdf}
+\figsetgrpnote{The Swift/XRT X-ray light curve for the first year after
+outburst of HV Cet.}
+\figsetgrpend
+
+\figsetend
+
+\begin{figure}
+\plotone{KT_Eri.pdf}
+\caption{The Swift/XRT X-ray light curve for the first year after
+outburst of the suspected recurrent nova KT Eri. At a maximum count rate of
+328 ct/s, KT Eri was the brightest nova in X-rays observed to date. All
+the component figures (6) are available in the Figure Set. Note that
+these components that are {\bf not} shown in the compiled pdf. The figure
+set consists of the same figures as shown in Figure \ref{fig:pyramid}.
+The example figure shown for figure sets can be one component or many.
+\label{fig:fig4}}
+\end{figure}
+
+Authors are encouraged to use an online tool at
+\url{http://authortools.aas.org/FIGSETS/make-figset.html} to generate their
+own specific figure set mark up to incorporate into their \latex\ articles.
+
+\subsubsection{Animations \label{animation}}
+
+Authors may, and are in fact encouraged, to include animations in their
+manuscripts. The video will stream inline with the published article and
+also be available for download. When writing the manuscript, a stand alone
+figure is necessary to serve as an example for the reader. Ideally, this
+is a single still frame from the animation but in some case the animation
+may only represent a small portion of the example figure, say one many
+panels as shown in Figure \ref{fig:video}. Regardless, it is very
+important that the author provide descriptive text in the figure caption
+including start and stop times and the video duration. Authors should
+review the AAS animation guidelines in the graphics guide at
+\url{https://journals.aas.org/graphics-guide/#animations}.
+
+\begin{figure}
+\begin{interactive}{animation}{movie.mp4}
+\plotone{f4.pdf}
+\end{interactive}
+\caption{Figure 1 from \citet{2018ApJ...868L..33L}. AIA 171\AA (a,b),
+AIA 131\AA (c), and AIA 304\AA images are shown. The red rectangle
+in (a) shows the field of view of the other panels. An animation of
+panels (b-d) is available. It covers 8 hours of observing beginning
+at 01:00 UT on 2012 January 19. The video duration is 20 seconds.
+\label{fig:video}}
+\end{figure}
+
+Animations and interactive figures (Section \ref{sec:interactive}) should
+use the {\tt\string\begin{interactive}} environment in the figure call. This
+environment
+places a blue border around the figure to indicate that the figure is
+enhanced in the published HTML article. The
+command also serves to alert the publisher what files are used to generate
+the dynamic HTML content. {\tt\string\interactive} takes two arguments. The
+first details the type and currently only three are allowed. The types are
+{\tt\string js} for generic javascript interactive figures,
+{\tt\string animation} for inline videos, and
+{\tt\string timeseries} for interactive light curves produced
+by astropy \citet{2013A&A...558A..33A}\footnote{To be release in the
+summer of 2019}. If these types are not provide the compiler will issue an
+error and quit. The second argument is the file that produces the enhanced
+feature in the HTML article.
+
+\subsubsection{Interactive figures \label{sec:interactive}}
+
+Interactive figures give the reader the ability to manipulate the
+information contained in an image which can add clarity or help further the
+author's narrative. These figures consist of two parts, a static
+representative figure for the manuscript and the dynamic javascript plus
+HTML framework that allows for interactive control.
+
+An example of an interactive figure is a 3D model.
+The underlying figure is a X3D file while x3dom.js is the javascript driver
+that displays it. An author created interface is added via a html wrapper.
+The first 3D model published by the AAS Journals using this technique was
+\citet{2014ApJ...793..127V}.
+
+Figure \ref{fig:interactive} provides an interactive example which can be
+run locally to demonstrate how a simple javascript plus html interface
+allows a reader to switch between figures. The necessary files for this
+particular interactive figure are in the {\tt\string interactive.tar.gz}
+file included with this package. Unpack the file and point the browser to
+the local html file. In this case, the javascript that runs the interactive
+buttons is embedded in the html file but it could just as easily be calls
+to external javascript libraries. Ideally, the javascript should be
+included with the submitted package of interactive files to minimize
+external dependencies within the published article.
+
+\begin{figure}
+\begin{interactive}{js}{interactive.tar.gz}
+\plotone{f5.pdf}
+\end{interactive}
+\caption{Figure 4 from \citet{2018AJ....156...82C}. \emph{Upper panel}: the
+cumulative median observing time to measure the $3\sigma$ RV masses of TESS
+planets as a function of host star spectral type and up to $10^3$ hours.
+The \emph{dashed blue curves} represent the results from the optical
+spectrograph whereas the \emph{solid red curves} represent the near-IR
+spectrograph. \emph{Lower panel}: the time derivative of the cumulative
+observing time curves used to indicate the RV planet detection efficiency.
+The \emph{horizontal dashed line} highlights the value of the detection
+efficiency at 20 hours per detection. Note that unlike the lower panels,
+the upper panels do not share a common ordinate due to the differing number
+of planet detections around stars in each spectral type bin. The
+interactive version has two buttons that allows one to turn the optical and
+NIR layers. \label{fig:interactive}}
+\end{figure}
+
+Authors should consult the online tutorials at
+\url{https://journals.aas.org/graphics-guide/#interactive_figures}
+for more information on what is currently supported and links to
+tutorials and examples.
+
+\section{Displaying mathematics} \label{sec:displaymath}
+
+The most common mathematical symbols and formulas are in the amsmath
+package. \aastex\ requires this package so there is no need to
+specifically call for it in the document preamble. Most modern \latex\
+distributions already contain this package. If you do not have this
+package or the other required packages, revtex4-1, latexsym, graphicx,
+amssymb, longtable, and epsf, they can be obtained from
+\url{http://www.ctan.org}
+
+Mathematics can be displayed either within the text, e.g. $E = mc^2$, or
+separate from in an equation. In order to be properly rendered, all inline
+math text has to be declared by surrounding the math by dollar signs (\$).
+
+A complex equation example with inline math as part of the explanation
+follows.
+
+\begin{equation}
+\bar v(p_2,\sigma_2)P_{-\tau}\hat a_1\hat a_2\cdots
+\hat a_nu(p_1,\sigma_1) ,
+\end{equation}
+where $p$ and $\sigma$ label the initial $e^{\pm}$ four-momenta
+and helicities $(\sigma = \pm 1)$, $\hat a_i=a^\mu_i\gamma_\nu$
+and $P_\tau=\frac{1}{2}(1+\tau\gamma_5)$ is a chirality projection
+operator $(\tau = \pm1)$. This produces a single line formula. \latex\ will
+auto-number this and any subsequent equations. If no number is desired then
+the {\tt\string equation} call should be replaced with {\tt\string displaymath}.
+
+\latex\ can also handle a a multi-line equation. Use {\tt\string eqnarray}
+for more than one line and end each line with a
+\textbackslash\textbackslash. Each line will be numbered unless the
+\textbackslash\textbackslash\ is preceded by a {\tt\string\nonumber}
+command. Alignment points can be added with ampersands (\&). There should be
+two ampersands per line. In the examples they are centered on the equal
+symbol.
+
+\begin{eqnarray}
+\gamma^\mu & = &
+ \left(
+\begin{array}{cc}
+0 & \sigma^\mu_+ \\
+\sigma^\mu_- & 0
+\end{array} \right) ,
+ \gamma^5= \left(
+\begin{array}{cc}
+-1 & 0\\
+0 & 1
+\end{array} \right) , \\
+\sigma^\mu_{\pm} & = & ({\bf 1} ,\pm \sigma) ,
+\end{eqnarray}
+
+\begin{eqnarray}
+\hat a & = & \left(
+\begin{array}{cc}
+0 & (\hat a)_+\\
+(\hat a)_- & 0
+\end{array}\right), \nonumber \\
+(\hat a)_\pm & = & a_\mu\sigma^\mu_\pm
+\end{eqnarray}
+
+%% Putting eqnarrays or equations inside the mathletters environment groups
+%% the enclosed equations by letter. For instance, the eqnarray below, instead
+%% of being numbered, say, (4) and (5), would be numbered (4a) and (4b).
+%% LaTeX the paper and look at the output to see the results.
+
+\section{Revision tracking and color highlighting} \label{sec:highlight}
+
+Authors sometimes use color to highlight changes to their manuscript in
+response to editor and referee comments. In \aastex\ new commands
+have been introduced to make this easier and formalize the process.
+
+The first method is through a new set of editing mark up commands that
+specifically identify what has been changed. These commands are
+{\tt\string\added\{<text>\}}, {\tt\string\deleted\{<text>\}}, and
+{\tt\string\replaced\{<old text>\}\{<replaced text>\}}. To activate these
+commands the {\tt\string trackchanges} option must be used in the
+{\tt\string\documentclass} call. When compiled this will produce the
+marked text in red. The {\tt\string\explain\{<text>\}} can be used to add
+text to provide information to the reader describing the change. Its
+output is purple italic font. To see how {\tt\string\added\{<important
+added info>\}}, {\tt\string\deleted\{<this can be deleted text>\}},
+{\tt\string\replaced\{<old data>\}\{<replaced data>\}}, and \break
+{\tt\string\explain\{<text explaining the change>\}} commands will produce
+\added{important added information}\deleted{, deleted text, and }
+\replaced{old data}{and replaced data,} toggle between versions compiled with
+and without the {\tt\string trackchanges} option.\explain{text explaining
+the change}
+
+A summary list of all these tracking commands can be produced at the end of
+the article by adding the {\tt\string\listofchanges} just before the
+{\tt\string\end\{document\}} call. The page number for each change will be
+provided. If the {\tt\string linenumbers} option is also included in the
+documentclass call then not only will all the lines in the article be
+numbered for handy reference but the summary list will also include the
+line number for each change.
+
+The second method does not have the ability to highlight the specific
+nature of the changes but does allow the author to document changes over
+multiple revisions. The commands are {\tt\string\edit1\{<text>\}},
+{\tt\string\edit2\{<text>\}} and {\tt\string\edit3\{<text>\}} and they
+produce {\tt\string<text>} that is highlighted in bold red, italic blue and
+underlined purple, respectively. Authors should use the first command to
+\edit1{indicated which text has been changed from the first revision.} The
+second command is to highlight \edit2{new or modified text from a second
+revision}. If a third revision is needed then the last command should be used
+\edit3{to show this changed text}. Since over 90\% of all manuscripts are
+accepted after the 3rd revision these commands make it easy to identify
+what text has been added and when. Once the article is accepted all the
+highlight color can be turned off simply by adding the
+{\tt\string\turnoffediting} command in the preamble. Likewise, the new commands
+{\tt\string\turnoffeditone}, {\tt\string\turnoffedittwo}, and
+{\tt\string\turnoffeditthree} can be used to only turn off the
+{\tt\string\edit1\{<text>\}}, {\tt\string\edit2\{<text>\}} and
+{\tt\string\edit3\{<text>\}}, respectively.
+
+Similar to marking editing changes with the {\tt\string\edit} options there
+are also the {\tt\string\authorcomments1\{<text>\}},
+{\tt\string\authorcomments2\{<text>\}} and
+{\tt\string\authorcomments3\{<text>\}} commands. These produce the same
+bold red, italic blue and underlined purple text but when the
+{\tt\string\turnoffediting} command is present the {\tt\string<text>}
+material does not appear in the manuscript. Authors can use these commands
+to mark up text that they are not sure should appear in the final
+manuscript or as a way to communicate comments between co-authors when
+writing the article.
+
+\section{Software and third party data repository citations} \label{sec:cite}
+
+The AAS Journals would like to encourage authors to change software and
+third party data repository references from the current standard of a
+footnote to a first class citation in the bibliography. As a bibliographic
+citation these important references will be more easily captured and credit
+will be given to the appropriate people.
+
+The first step to making this happen is to have the data or software in
+a long term repository that has made these items available via a persistent
+identifier like a Digital Object Identifier (DOI). A list of repositories
+that satisfy this criteria plus each one's pros and cons are given at \break
+\url{https://github.com/AASJournals/Tutorials/tree/master/Repositories}.
+
+In the bibliography the format for data or code follows this format: \\
+
+\noindent author year, title, version, publisher, prefix:identifier\\
+
+\citet{2015ApJ...805...23C} provides a example of how the citation in the
+article references the external code at
+\doi{10.5281/zenodo.15991}. Unfortunately, bibtex does
+not have specific bibtex entries for these types of references so the
+``@misc'' type should be used. The Repository tutorial explains how to
+code the ``@misc'' type correctly. The most recent aasjournal.bst file,
+available with \aastex\ v6, will output bibtex ``@misc'' type properly.
+
+\acknowledgments
+
+We thank all the people that have made this AASTeX what it is today. This
+includes but not limited to Bob Hanisch, Chris Biemesderfer, Lee Brotzman,
+Pierre Landau, Arthur Ogawa, Maxim Markevitch, Alexey Vikhlinin and Amy
+Hendrickson. Also special thanks to David Hogg and Daniel Foreman-Mackey
+for the new "modern" style design. Considerable help was provided via bug
+reports and hacks from numerous people including Patricio Cubillos, Alex
+Drlica-Wagner, Sean Lake, Michele Bannister, Peter Williams, and Jonathan
+Gagne.
+
+%% To help institutions obtain information on the effectiveness of their
+%% telescopes the AAS Journals has created a group of keywords for telescope
+%% facilities.
+%
+%% Following the acknowledgments section, use the following syntax and the
+%% \facility{} or \facilities{} macros to list the keywords of facilities used
+%% in the research for the paper. Each keyword is check against the master
+%% list during copy editing. Individual instruments can be provided in
+%% parentheses, after the keyword, but they are not verified.
+
+\vspace{5mm}
+\facilities{HST(STIS), Swift(XRT and UVOT), AAVSO, CTIO:1.3m,
+CTIO:1.5m,CXO}
+
+%% Similar to \facility{}, there is the optional \software command to allow
+%% authors a place to specify which programs were used during the creation of
+%% the manuscript. Authors should list each code and include either a
+%% citation or url to the code inside ()s when available.
+
+\software{astropy \citep{2013A&A...558A..33A},
+ Cloudy \citep{2013RMxAA..49..137F},
+ SExtractor \citep{1996A&AS..117..393B}
+ }
+
+%% Appendix material should be preceded with a single \appendix command.
+%% There should be a \section command for each appendix. Mark appendix
+%% subsections with the same markup you use in the main body of the paper.
+
+%% Each Appendix (indicated with \section) will be lettered A, B, C, etc.
+%% The equation counter will reset when it encounters the \appendix
+%% command and will number appendix equations (A1), (A2), etc. The
+%% Figure and Table counter will not reset.
+
+\appendix
+
+\section{Appendix information}
+
+Appendices can be broken into separate sections just like in the main text.
+The only difference is that each appendix section is indexed by a letter
+(A, B, C, etc.) instead of a number. Likewise numbered equations have
+the section letter appended. Here is an equation as an example.
+
+\begin{equation}
+I = \frac{1}{1 + d_{1}^{P (1 + d_{2} )}}
+\end{equation}
+
+Appendix tables and figures should not be numbered like equations. Instead
+they should continue the sequence from the main article body.
+
+\section{Author publication charges} \label{sec:pubcharge}
+
+Finally some information about the AAS Journal's publication charges.
+In April 2011 the traditional way of calculating author charges based on
+the number of printed pages was changed. The reason for the change
+was due to a recognition of the growing number of article items that could not
+be represented in print. Now author charges are determined by a number of
+digital ``quanta''. A single quantum is 350 words, one figure, one table,
+and one enhanced digital item. For the latter this includes machine readable
+tables, figure sets, animations, and interactive figures. The current cost
+for the different quanta types is available at
+\url{https://journals.aas.org/article-charges-and-copyright/#author_publication_charges}.
+Authors may use the ApJL length calculator to get a {\tt rough} estimate of
+the number of word and float quanta in their manuscript. The calculator
+is located at \url{https://authortools.aas.org/ApJL/betacountwords.html}.
+
+\section{Rotating tables} \label{sec:rotate}
+
+The process of rotating tables into landscape mode is slightly different in
+\aastex v6.3. Instead of the {\tt\string\rotate} command, a new environment
+has been created to handle this task. To place a single page table in a
+landscape mode start the table portion with
+{\tt\string\begin\{rotatetable\}} and end with
+{\tt\string\end\{rotatetable\}}.
+
+Tables that exceed a print page take a slightly different environment since
+both rotation and long table printing are required. In these cases start
+with {\tt\string\begin\{longrotatetable\}} and end with
+{\tt\string\end\{longrotatetable\}}. Table \ref{chartable} is an
+example of a multi-page, rotated table. The {\tt\string\movetabledown}
+command can be used to help center extremely wide, landscape tables. The
+command {\tt\string\movetabledown=1in} will move any rotated table down 1
+inch.
+
+\begin{longrotatetable}
+\begin{deluxetable*}{lllrrrrrrll}
+\tablecaption{Observable Characteristics of
+Galactic/Magellanic Cloud novae with X-ray observations\label{chartable}}
+\tablewidth{700pt}
+\tabletypesize{\scriptsize}
+\tablehead{
+\colhead{Name} & \colhead{V$_{max}$} &
+\colhead{Date} & \colhead{t$_2$} &
+\colhead{FWHM} & \colhead{E(B-V)} &
+\colhead{N$_H$} & \colhead{Period} &
+\colhead{D} & \colhead{Dust?} & \colhead{RN?} \\
+\colhead{} & \colhead{(mag)} & \colhead{(JD)} & \colhead{(d)} &
+\colhead{(km s$^{-1}$)} & \colhead{(mag)} & \colhead{(cm$^{-2}$)} &
+\colhead{(d)} & \colhead{(kpc)} & \colhead{} & \colhead{}
+}
+\startdata
+CI Aql & 8.83 (1) & 2451665.5 (1) & 32 (2) & 2300 (3) & 0.8$\pm0.2$ (4) & 1.2e+22 & 0.62 (4) & 6.25$\pm5$ (4) & N & Y \\
+{\bf CSS081007} & \nodata & 2454596.5 & \nodata & \nodata & 0.146 & 1.1e+21 & 1.77 (5) & 4.45$\pm1.95$ (6) & \nodata & \nodata \\
+GQ Mus & 7.2 (7) & 2445352.5 (7) & 18 (7) & 1000 (8) & 0.45 (9) & 3.8e+21 & 0.059375 (10) & 4.8$\pm1$ (9) & N (7) & \nodata \\
+IM Nor & 7.84 (11) & 2452289 (2) & 50 (2) & 1150 (12) & 0.8$\pm0.2$ (4) & 8e+21 & 0.102 (13) & 4.25$\pm3.4$ (4) & N & Y \\
+{\bf KT Eri} & 5.42 (14) & 2455150.17 (14) & 6.6 (14) & 3000 (15) & 0.08 (15) & 5.5e+20 & \nodata & 6.5 (15) & N & M \\
+{\bf LMC 1995} & 10.7 (16) & 2449778.5 (16) & 15$\pm2$ (17) & \nodata & 0.15 (203) & 7.8e+20 & \nodata & 50 & \nodata & \nodata \\
+LMC 2000 & 11.45 (18) & 2451737.5 (18) & 9$\pm2$ (19) & 1700 (20) & 0.15 (203) & 7.8e+20 & \nodata & 50 & \nodata & \nodata \\
+{\bf LMC 2005} & 11.5 (21) & 2453700.5 (21) & 63 (22) & 900 (23) & 0.15 (203) & 1e+21 & \nodata & 50 & M (24) & \nodata \\
+{\bf LMC 2009a} & 10.6 (25) & 2454867.5 (25) & 4$\pm1$ & 3900 (25) & 0.15 (203) & 5.7e+20 & 1.19 (26) & 50 & N & Y \\
+{\bf SMC 2005} & 10.4 (27) & 2453588.5 (27) & \nodata & 3200 (28) & \nodata & 5e+20 & \nodata & 61 & \nodata & \nodata \\
+{\bf QY Mus} & 8.1 (29) & 2454739.90 (29) & 60: & \nodata & 0.71 (30) & 4.2e+21 & \nodata & \nodata & M & \nodata \\
+{\bf RS Oph} & 4.5 (31) & 2453779.44 (14) & 7.9 (14) & 3930 (31) & 0.73 (32) & 2.25e+21 & 456 (33) & 1.6$\pm0.3$ (33) & N (34) & Y \\
+{\bf U Sco} & 8.05 (35) & 2455224.94 (35) & 1.2 (36) & 7600 (37) & 0.2$\pm0.1$ (4) & 1.2e+21 & 1.23056 (36) & 12$\pm2$ (4) & N & Y \\
+{\bf V1047 Cen} & 8.5 (38) & 2453614.5 (39) & 6 (40) & 840 (38) & \nodata & 1.4e+22 & \nodata & \nodata & \nodata & \nodata \\
+{\bf V1065 Cen} & 8.2 (41) & 2454123.5 (41) & 11 (42) & 2700 (43) & 0.5$\pm0.1$ (42) & 3.75e+21 & \nodata & 9.05$\pm2.8$ (42) & Y (42) & \nodata \\
+V1187 Sco & 7.4 (44) & 2453220.5 (44) & 7: (45) & 3000 (44) & 1.56 (44) & 8.0e+21 & \nodata & 4.9$\pm0.5$ (44) & N & \nodata \\
+{\bf V1188 Sco} & 8.7 (46) & 2453577.5 (46) & 7 (40) & 1730 (47) & \nodata & 5.0e+21 & \nodata & 7.5 (39) & \nodata & \nodata \\
+{\bf V1213 Cen} & 8.53 (48) & 2454959.5 (48) & 11$\pm2$ (49) & 2300 (50) & 2.07 (30) & 1.0e+22 & \nodata & \nodata & \nodata & \nodata \\
+{\bf V1280 Sco} & 3.79 (51) & 2454147.65 (14) & 21 (52) & 640 (53) & 0.36 (54) & 1.6e+21 & \nodata & 1.6$\pm0.4$ (54) & Y (54) & \nodata \\
+{\bf V1281 Sco} & 8.8 (55) & 2454152.21 (55) & 15:& 1800 (56) & 0.7 (57) & 3.2e+21 & \nodata & \nodata & N & \nodata \\
+{\bf V1309 Sco} & 7.1 (58) & 2454714.5 (58) & 23$\pm2$ (59) & 670 (60) & 1.2 (30) & 4.0e+21 & \nodata & \nodata & \nodata & \nodata \\
+{\bf V1494 Aql} & 3.8 (61) & 2451515.5 (61) & 6.6$\pm0.5$ (61) & 1200 (62) & 0.6 (63) & 3.6e+21 & 0.13467 (64) & 1.6$\pm0.1$ (63) & N & \nodata \\
+{\bf V1663 Aql} & 10.5 (65) & 2453531.5 (65) & 17 (66) & 1900 (67) & 2: (68) & 1.6e+22 & \nodata & 8.9$\pm3.6$ (69) & N & \nodata \\
+V1974 Cyg & 4.3 (70) & 2448654.5 (70) & 17 (71) & 2000 (19) & 0.36$\pm0.04$ (71) & 2.7e+21 & 0.081263 (70) & 1.8$\pm0.1$ (72) & N & \nodata \\
+{\bf V2361 Cyg} & 9.3 (73) & 2453412.5 (73) & 6 (40) & 3200 (74) & 1.2: (75) & 7.0e+21 & \nodata & \nodata & Y (40) & \nodata \\
+{\bf V2362 Cyg} & 7.8 (76) & 2453831.5 (76) & 9 (77) & 1850 (78) & 0.575$\pm0.015$ (79) & 4.4e+21 & 0.06577 (80) & 7.75$\pm3$ (77) & Y (81) & \nodata \\
+{\bf V2467 Cyg} & 6.7 (82) & 2454176.27 (82) & 7 (83) & 950 (82) & 1.5 (84) & 1.4e+22 & 0.159 (85) & 3.1$\pm0.5$ (86) & M (87) & \nodata \\
+{\bf V2468 Cyg} & 7.4 (88) & 2454534.2 (88) & 10: & 1000 (88) & 0.77 (89) & 1.0e+22 & 0.242 (90) & \nodata & N & \nodata \\
+{\bf V2491 Cyg} & 7.54 (91) & 2454567.86 (91) & 4.6 (92) & 4860 (93) & 0.43 (94) & 4.7e+21 & 0.09580: (95) & 10.5 (96) & N & M \\
+V2487 Oph & 9.5 (97) & 2450979.5 (97) & 6.3 (98) & 10000 (98) & 0.38$\pm0.08$ (98) & 2.0e+21 & \nodata & 27.5$\pm3$ (99) & N (100) & Y (101) \\
+{\bf V2540 Oph} & 8.5 (102) & 2452295.5 (102) & \nodata & \nodata & \nodata & 2.3e+21 & 0.284781 (103) & 5.2$\pm0.8$ (103) & N & \nodata \\
+V2575 Oph & 11.1 (104) & 2453778.8 (104) & 20: & 560 (104) & 1.4 (105) & 3.3e+21 & \nodata & \nodata & N (105) & \nodata \\
+{\bf V2576 Oph} & 9.2 (106) & 2453832.5 (106) & 8: & 1470 (106) & 0.25 (107) & 2.6e+21 & \nodata & \nodata & N & \nodata \\
+{\bf V2615 Oph} & 8.52 (108) & 2454187.5 (108) & 26.5 (108) & 800 (109) & 0.9 (108) & 3.1e+21 & \nodata & 3.7$\pm0.2$ (108) & Y (110) & \nodata \\
+{\bf V2670 Oph} & 9.9 (111) & 2454613.11 (111) & 15: & 600 (112) & 1.3: (113) & 2.9e+21 & \nodata & \nodata & N (114) & \nodata \\
+{\bf V2671 Oph} & 11.1 (115) & 2454617.5 (115) & 8: & 1210 (116) & 2.0 (117) & 3.3e+21 & \nodata & \nodata & M (117) & \nodata \\
+{\bf V2672 Oph} & 10.0 (118) & 2455060.02 (118) & 2.3 (119) & 8000 (118) & 1.6$\pm0.1$ (119) & 4.0e+21 & \nodata & 19$\pm2$ (119) & \nodata & M \\
+V351 Pup & 6.5 (120) & 2448617.5 (120) & 16 (121) & \nodata & 0.72$\pm0.1$ (122) & 6.2e+21 & 0.1182 (123) & 2.7$\pm0.7$ (122) & N & \nodata \\
+{\bf V382 Nor} & 8.9 (124) & 2453447.5 (124) & 12 (40) & 1850 (23) & \nodata & 1.7e+22 & \nodata & \nodata & \nodata & \nodata \\
+V382 Vel & 2.85 (125) & 2451320.5 (125) & 4.5 (126) & 2400 (126) & 0.05: (126) & 3.4e+21 & 0.146126 (127) & 1.68$\pm0.3$ (126) & N & \nodata \\
+{\bf V407 Cyg} & 6.8 (128) & 2455266.314 (128) & 5.9 (129) & 2760 (129) & 0.5$\pm0.05$ (130) & 8.8e+21 & 15595 (131) & 2.7 (131) & \nodata & Y \\
+{\bf V458 Vul} & 8.24 (132) & 2454322.39 (132) & 7 (133) & 1750 (134) & 0.6 (135) & 3.6e+21 & 0.06812255 (136) & 8.5$\pm1.8$ (133) & N (135) & \nodata \\
+{\bf V459 Vul} & 7.57 (137) & 2454461.5 (137) & 18 (138) & 910 (139) & 1.0 (140) & 5.5e+21 & \nodata & 3.65$\pm1.35$ (138) & Y (140) & \nodata \\
+V4633 Sgr & 7.8 (141) & 2450895.5 (141) & 19$\pm3$ (142) & 1700 (143) & 0.21 (142) & 1.4e+21 & 0.125576 (144) & 8.9$\pm2.5$ (142) & N & \nodata \\
+{\bf V4643 Sgr} & 8.07 (145) & 2451965.867 (145) & 4.8 (146) & 4700 (147) & 1.67 (148) & 1.4e+22 & \nodata & 3 (148) & N & \nodata \\
+{\bf V4743 Sgr} & 5.0 (149) & 2452537.5 (149) & 9 (150) & 2400 (149) & 0.25 (151) & 1.2e+21 & 0.281 (152) & 3.9$\pm0.3$ (151) & N & \nodata \\
+{\bf V4745 Sgr} & 7.41 (153) & 2452747.5 (153) & 8.6 (154) & 1600 (155) & 0.1 (154) & 9.0e+20 & 0.20782 (156) & 14$\pm5$ (154) & \nodata & \nodata \\
+{\bf V476 Sct} & 10.3 (157) & 2453643.5 (157) & 15 (158) & \nodata & 1.9 (158) & 1.2e+22 & \nodata & 4$\pm1$ (158) & M (159) & \nodata \\
+{\bf V477 Sct} & 9.8 (160) & 2453655.5 (160) & 3 (160) & 2900 (161) & 1.2: (162) & 4e+21 & \nodata & \nodata & M (163) & \nodata \\
+{\bf V5114 Sgr} & 8.38 (164) & 2453081.5 (164) & 11 (165) & 2000 (23) & \nodata & 1.5e+21 & \nodata & 7.7$\pm0.7$ (165) & N (166) & \nodata \\
+{\bf V5115 Sgr} & 7.7 (167) & 2453459.5 (167) & 7 (40) & 1300 (168) & 0.53 (169) & 2.3e+21 & \nodata & \nodata & N (169) & \nodata \\
+{\bf V5116 Sgr} & 8.15 (170) & 2453556.91 (170) & 6.5 (171) & 970 (172) & 0.25 (173) & 1.5e+21 & 0.1238 (171) & 11$\pm3$ (173) & N (174) & \nodata \\
+{\bf V5558 Sgr} & 6.53 (175) & 2454291.5 (175) & 125 (176) & 1000 (177) & 0.80 (178) & 1.6e+22 & \nodata & 1.3$\pm0.3$ (176) & N (179) & \nodata \\
+{\bf V5579 Sgr} & 5.56 (180) & 2454579.62 (180) & 7: & 1500 (23) & 1.2 (181) & 3.3e+21 & \nodata & \nodata & Y (181) & \nodata \\
+{\bf V5583 Sgr} & 7.43 (182) & 2455051.07 (182) & 5: & 2300 (182) & 0.39 (30) & 2.0e+21 & \nodata & 10.5 & \nodata & \nodata \\
+{\bf V574 Pup} & 6.93 (183) & 2453332.22 (183) & 13 (184) & 2800 (184) & 0.5$\pm0.1$ & 6.2e+21 & \nodata & 6.5$\pm1$ & M (185) & \nodata \\
+{\bf V597 Pup} & 7.0 (186) & 2454418.75 (186) & 3: & 1800 (187) & 0.3 (188) & 5.0e+21 & 0.11119 (189) & \nodata & N (188) & \nodata \\
+{\bf V598 Pup} & 3.46 (14) & 2454257.79 (14) & 9$\pm1$ (190) & \nodata & 0.16 (190) & 1.4e+21 & \nodata & 2.95$\pm0.8$ (190) & \nodata & \nodata \\
+{\bf V679 Car} & 7.55 (191) & 2454797.77 (191) & 20: & \nodata & \nodata & 1.3e+22 & \nodata & \nodata & \nodata & \nodata \\
+{\bf V723 Cas} & 7.1 (192) & 2450069.0 (192) & 263 (2) & 600 (193) & 0.5 (194) & 2.35e+21 & 0.69 (195) & 3.86$\pm0.23$ (196) & N & \nodata \\
+V838 Her & 5 (197) & 2448340.5 (197) & 2 (198) & \nodata & 0.5$\pm0.1$ (198) & 2.6e+21 & 0.2975 (199) & 3$\pm1$ (198) & Y (200) & \nodata \\
+{\bf XMMSL1 J06} & 12 (201) & 2453643.5 (202) & 8$\pm2$ (202) & \nodata & 0.15 (203) & 8.7e+20 & \nodata & 50 & \nodata & \nodata \\
+\enddata
+\end{deluxetable*}
+\end{longrotatetable}
+
+A handy "cheat sheet" that provides the necessary LaTeX to produce 17
+different types of tables is available at \url{http://journals.aas.org/authors/aastex/aasguide.html#table_cheat_sheet}.
+
+\section{IAU recommendations for nominal units \label{nominal}}
+
+The IAU 2015 resolution B3 defines nominal solar and planetary values by
+establishing conversions between solar and planetary values and SI units.
+The rational and specifications are given in \citet{2016AJ....152...41P}.
+The recommended nominal conversion constants for LaTeX have been
+incorporate into v6.3 to help authors follow the IAU resolution.
+
+The general commands take this form:
+
+\vskip12pt
+\begin{center}
+\begin{tabular}{@{\vrule height 14pt depth 6pt width0pt}lll}
+Command&Example&Results\\
+\verb+\nom{}+&\verb+\nom{Q}+&\nom{Q}\\
+\verb+\Eenom{}+&\verb+\Eenom{Q}+&\Eenom{Q}\\
+\verb+\Epnom{}+&\verb+\Epnom{Q}+&\Epnom{Q}\\
+\verb+\Jenom{}+&\verb+\Jenom{Q}+&\Jenom{Q}\\
+\verb+\Jpnom{}+&\verb+\Jpnom{Q}+&\Jpnom{Q}\\
+\end{tabular}
+\end{center}
+\vskip12pt
+
+which can be used for any units the author requires. Examples of
+the most common uses would be:
+
+\vskip12pt
+\begin{tabular}{@{\vrule height 14pt depth 6pt width 0pt}llllp{3in}}
+1.&\verb+\nom{(GM)}+& \nom{(GM)} &=& nominal solar mass parameter\\
+2.&\verb+\nom{R}+&\nom{R} &=& nominal solar radius\\
+3.&\verb+\nom{S}+& \nom{S}&=& nominal total solar irradiance\\
+4.&\verb+\nom{L}+& \nom{L} &=&nominal solar luminosity\\
+\end{tabular}
+\vskip12pt
+
+AASTeX v6.3 also contains specific commands for other commonly used
+units. These are:
+
+\vskip24pt
+\begin{tabular}{@{\vrule height 14pt depth 6pt width 0pt}llllp{3in}}
+1.&\verb+\nomSolarEffTemp+& \nomSolarEffTemp&=& nominal solar effective temperature\\
+2.&\verb+\nomTerrEqRadius+&\nomTerrEqRadius &=& nominal terrestrial
+equatorial radius\\
+&\verb+\nomTerrPolarRadius+ &\nomTerrPolarRadius &=& nominal
+terrestrial polar radius\\
+&\verb+\nomTerrEqRadius+&\nomTerrEqRadius&& should be used if equatorial
+vs.~polar radius is not explicitly specified.\\
+3.&\verb+\nomJovianEqRadius+&\nomJovianEqRadius&=& nominal one-bar equatorial radii of
+Jupiter\\
+&\verb+\nomJovianPolarRadius+&\nomJovianPolarRadius &=& nominal polar radii of Jupiter\\
+&\verb+\nomJovianEqRadius+&\nomJovianEqRadius&& should be used if Jovian equatorial
+vs.~polar radius is not explicitly specified.\\
+4.&\verb+\nomTerrMass+ &\nomTerrMass &=& nominal terrestrial mass
+parameter\\
+&\verb+\nomJovianMass+ &\nomJovianMass &=& nominal Jovian mass parameter\\
+\end{tabular}
+\vskip12pt
+
+All of these commands work equally well in text and math mode.
+
+%% For this sample we use BibTeX plus aasjournals.bst to generate the
+%% the bibliography. The sample63.bib file was populated from ADS. To
+%% get the citations to show in the compiled file do the following:
+%%
+%% pdflatex sample63.tex
+%% bibtext sample63
+%% pdflatex sample63.tex
+%% pdflatex sample63.tex
+
+\bibliography{sample63}{}
+\bibliographystyle{aasjournal}
+
+%% This command is needed to show the entire author+affiliation list when
+%% the collaboration and author truncation commands are used. It has to
+%% go at the end of the manuscript.
+%\allauthors
+
+%% Include this line if you are using the \added, \replaced, \deleted
+%% commands to see a summary list of all changes at the end of the article.
+%\listofchanges
+
+\end{document}
+
+% End of file `sample63.tex'.