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+% laa.sty version 1.1 as of 25-Feb-91
+%
+% This is LAA.STY, the LaTeX style file
+% from Springer-Verlag for the
+% Astronomy and Astrophysics Main Journal
+%
+% It is for use with LaTeX version 2.09
+%
+% Please report all errors via e-mail to SPRINGER@DHDSPRI6.bitnet
+% or to the address mentioned on page 2 of the documentation
+%
+\typeout{Document Style `laa'. <25 Feb 1991>}
+
+\frenchspacing
+\def~{\penalty\@M\kern3pt}
+
+\def\@ptsize{0} \@namedef{ds@11pt}{\def\@ptsize{1}}
+\@namedef{ds@12pt}{\def\@ptsize{2}}
+\def\ds@twoside{\@twosidetrue \@mparswitchtrue}
+\def\ds@draft{\overfullrule 5pt}
+\newif\if@referee \@refereefalse
+\def\ds@referee{\@refereetrue}
+\@options
+
+\widowpenalty=9000
+\clubpenalty=9000
+
+\lineskip 1pt \normallineskip 1pt
+\def\baselinestretch{1}
+
+\parskip 0pt plus 1pt
+\topsep 10pt plus2pt minus5pt
+\partopsep 0pt
+\itemsep 0pt plus 1pt
+\parindent 1.5em
+\leftmargin \parindent
+\leftmargini \leftmargin
+\leftmarginii \leftmargin
+\leftmarginiii \leftmargin
+\leftmarginiv \leftmargin
+\leftmarginv \leftmargin
+\leftmarginvi \leftmargin
+\labelwidth\leftmargini
+\labelsep 4pt
+\advance\labelwidth-\labelsep
+\def\@listii{\leftmargin\leftmarginii
+ \labelwidth\leftmarginii\advance\labelwidth-\labelsep
+ \topsep \z@}
+\def\@listiii{\leftmargin\leftmarginiii
+ \labelwidth\leftmarginiii\advance\labelwidth-\labelsep
+ \topsep \z@}
+\def\@listiv{\leftmargin\leftmarginiv
+ \labelwidth\leftmarginiv\advance\labelwidth-\labelsep}
+\def\@listv{\leftmargin\leftmarginv
+ \labelwidth\leftmarginv\advance\labelwidth-\labelsep}
+\def\@listvi{\leftmargin\leftmarginvi
+ \labelwidth\leftmarginvi\advance\labelwidth-\labelsep}
+
+\if@referee
+\def\@normalsize{\@setsize\normalsize{18dd}\xpt\@xpt
+\abovedisplayskip 18pt plus2pt minus5pt
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip \z@ plus3pt
+\belowdisplayshortskip 8pt plus3pt minus3pt
+\def\@listi{\topsep 6pt plus 2pt minus 2pt
+\leftmargin \leftmargini
+\parsep 3pt plus 1pt minus 1pt
+\itemsep \parsep}}
+\def\small{\@setsize\small{16dd}\ixpt\@ixpt
+\abovedisplayskip 15pt plus 3pt minus 4pt
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip \z@ plus2pt
+\belowdisplayshortskip 6pt plus2pt minus 2pt
+\def\@listi{\topsep 6pt plus 2pt minus 2pt
+\leftmargin \leftmargini
+\parsep 3pt plus 1pt minus 1pt
+\itemsep \parsep}}
+\def\footnotesize{\@setsize\footnotesize{18dd}\xpt\@xpt
+\abovedisplayskip 18pt plus 2pt minus 5pt
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip \z@ plus 1pt
+\belowdisplayshortskip 8pt plus 1pt minus 2pt
+\def\@listi{\topsep 6pt plus 2pt minus 2pt
+\leftmargin \leftmargini
+\parsep 3pt plus 1pt minus 1pt
+\itemsep \parsep}}
+\def\scriptsize{\@setsize\scriptsize{14pt}\viiipt\@viiipt}
+\def\tiny{\@setsize\tiny{6pt}\vpt\@vpt}
+\def\large{\@setsize\large{24dd}\xivpt\@xivpt}
+\def\Large{\@setsize\Large{24dd}\xivpt\@xivpt}
+\def\LARGE{\@setsize\LARGE{30dd}\xviipt\@xviipt}
+\def\huge{\@setsize\huge{25pt}\xxpt\@xxpt}
+\def\Huge{\@setsize\Huge{30pt}\xxvpt\@xxvpt}
+\else
+\def\@normalsize{\@setsize\normalsize{10dd}\ixpt\@ixpt
+\abovedisplayskip 10pt plus2pt minus5pt
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip \z@ plus3pt
+\belowdisplayshortskip 6pt plus3pt minus3pt
+\def\@listi{\topsep 4pt plus 2pt minus 2pt
+\leftmargin \leftmargini
+\parsep 0pt
+\itemsep \parsep}}
+\def\small{\@setsize\small{9dd}\viiipt\@viiipt
+\abovedisplayskip 8.5pt plus 3pt minus 4pt
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip \z@ plus 2pt
+\belowdisplayshortskip 4pt plus2pt minus 2pt
+\def\@listi{\topsep 3pt plus 2pt minus 2pt
+\leftmargin \leftmargini
+\parsep 0pt
+\itemsep \parsep}}
+\def\footnotesize{\@setsize\footnotesize{10dd}\ixpt\@ixpt
+\abovedisplayskip 6pt plus 2pt minus 4pt
+\belowdisplayskip \abovedisplayskip
+\abovedisplayshortskip \z@ plus 1pt
+\belowdisplayshortskip 3pt plus 1pt minus 2pt
+\def\@listi{\topsep 4pt plus 2pt minus 2pt
+\leftmargin \leftmargini
+\parsep 0pt
+\itemsep \parsep}}
+\def\scriptsize{\@setsize\scriptsize{8pt}\viipt\@viipt}
+\def\tiny{\@setsize\tiny{6pt}\vpt\@vpt}
+\def\large{\@setsize\large{13dd}\xivpt\@xivpt}
+\def\Large{\@setsize\Large{13dd}\xivpt\@xivpt}
+\def\LARGE{\@setsize\LARGE{17dd}\xviipt\@xviipt}
+\def\huge{\@setsize\huge{25pt}\xxpt\@xxpt}
+\def\Huge{\@setsize\Huge{30pt}\xxvpt\@xxvpt}
+\fi
+\@normalsize
+
+% Margins, textwidth and textheight are set to A&A formatting
+% conventions:
+
+\if@twoside \oddsidemargin 1.5cm \evensidemargin 1.5cm \marginparwidth
+107pt \else \oddsidemargin 63pt \evensidemargin 63pt \marginparwidth
+90pt \fi
+\marginparsep 11pt
+% The next offsets are set to get well centered output from our
+% laserprinter. Users may set the required offsets for local equipment
+% by adjusting equivalent values in their DVI to printer program.
+ \voffset -3.3true cm
+ \hoffset -3.2true cm
+\topmargin 27pt \headheight 12pt \headsep 25pt \footheight 12pt
+\footskip 30pt
+\textheight 23.5cm \textwidth 40cc \columnsep 1cc \columnseprule 0pt
+
+\footnotesep 8pt
+\skip\footins 9pt plus 4pt minus 2pt
+\floatsep 12pt plus 2pt minus 2pt \textfloatsep 20pt plus 2pt minus 4pt
+\intextsep 12pt plus 2pt minus 2pt \@maxsep 20pt \dblfloatsep 12pt plus
+2pt minus 2pt \dbltextfloatsep 20pt plus 2pt minus 4pt \@dblmaxsep 20pt
+\@fptop 0pt plus 1fil \@fpsep 8pt plus 2fil \@fpbot 0pt plus 1fil
+\@dblfptop 0pt plus 1fil \@dblfpsep 8pt plus 2fil \@dblfpbot 0pt plus
+1fil \marginparpush 5pt
+
+\@lowpenalty 51 \@medpenalty 151 \@highpenalty 301 \@beginparpenalty
+-\@lowpenalty \@endparpenalty -\@lowpenalty \@itempenalty -\@lowpenalty
+
+\def\vec#1{\ifmmode\mathchoice{\mbox{\boldmath$\displaystyle#1$}}
+{\mbox{\boldmath$\textstyle#1$}}
+{\mbox{\boldmath$\scriptstyle#1$}}
+{\mbox{\boldmath$\scriptscriptstyle#1$}}\else
+\hbox{\boldmath$\textstyle#1$}\fi}
+
+\def\tens#1{\ifmmode\mathchoice{\mbox{$\sf\displaystyle#1$}}
+{\mbox{$\sf\textstyle#1$}}
+{\mbox{$\sf\scriptstyle#1$}}
+{\mbox{$\sf\scriptscriptstyle#1$}}\else
+\hbox{$\sf\textstyle#1$}\fi}
+
+\def\part{\par \addvspace{4ex} \@afterindentfalse \secdef\@part\@spart}
+\def\@part[#1]#2{\ifnum \c@secnumdepth >\m@ne \refstepcounter{part}
+\addcontentsline{toc}{part}{\thepart \hspace{1em}#1}\else
+\addcontentsline{toc}{part}{#1}\fi { \parindent 0pt \raggedright \ifnum
+\c@secnumdepth >\m@ne \Large \bf Part \thepart \par \nobreak \fi \huge
+\bf #2\markboth{}{}\par } \nobreak \vskip 3ex \@afterheading }
+\def\@spart#1{{\parindent 0pt \raggedright \huge \bf #1\par} \nobreak
+\vskip 3ex \@afterheading }
+
+% Section definitions have been adapted to produce (sub)section headings
+% in A&A typefaces.
+\def\section{\@startsection {section}{1}{\z@}{-3.5ex plus -1ex minus
+ -.2ex}{1.5ex plus .2ex}{\normalsize\bf\boldmath}}
+\def\subsection{\@startsection{subsection}{2}{\z@}{-3.25ex plus -1ex
+minus -.2ex}{1.5ex plus .2ex}{\normalsize\it}}
+\def\subsubsection{\@startsection{subsubsection}{3}{\z@}{-3.25ex plus
+-1ex minus -.2ex}{1.5ex plus .2ex}{\normalsize}}
+\def\paragraph{\@startsection {paragraph}{4}{\z@}{3.25ex plus 1ex minus
+.2ex}{-.6em}{\normalsize\it}}
+\def\subparagraph#1{\typeout{AandA Warning: You should not use
+\protect\subparagraph \space in this style.}\vskip0.5cm
+You should not use $\backslash${\tt subparagraph} in this
+style.\vskip0.5cm}
+
+\def\@sect#1#2#3#4#5#6[#7]#8{\ifnum #2>\c@secnumdepth
+ \def\@svsec{}\else
+ \refstepcounter{#1}\edef\@svsec{\csname the#1\endcsname.\ }\fi
+ \@tempskipa #5\relax
+ \ifdim \@tempskipa>\z@
+ \begingroup #6\relax
+ \@hangfrom{\hskip #3\relax\@svsec}{\interlinepenalty \@M #8\par}
+ \endgroup
+ \csname #1mark\endcsname{#7}\addcontentsline
+ {toc}{#1}{\ifnum #2>\c@secnumdepth \else
+ \protect\numberline{\csname the#1\endcsname.}\fi
+ #7}\else
+ \def\@svsechd{#6\hskip #3\@svsec #8\csname #1mark\endcsname
+ {#7}\addcontentsline
+ {toc}{#1}{\ifnum #2>\c@secnumdepth \else
+ \protect\numberline{\csname the#1\endcsname.}\fi
+ #7}}\fi
+ \@xsect{#5}}
+
+\def\@xsect#1{\@tempskipa #1\relax
+ \ifdim \@tempskipa>\z@
+ \par \nobreak
+ \addvspace{\@tempskipa}
+ \@afterheading
+ \else \global\@nobreakfalse \global\@noskipsectrue
+ \everypar{\if@noskipsec \global\@noskipsecfalse
+ \clubpenalty\@M \hskip -\parindent
+ \begingroup \@svsechd \endgroup \unskip
+ \hskip -#1
+ \else \clubpenalty \@clubpenalty
+ \everypar{}\fi}\fi\ignorespaces}
+
+\setcounter{secnumdepth}{3}
+
+\def\appendix{\par
+ \setcounter{section}{0}
+ \setcounter{subsection}{0}
+ \def\thesection{\Alph{section}}
+ \renewcommand{\theequation}{\thesection\arabic{equation}}
+ \setcounter{equation}{0}
+ \@addtoreset{equation}{section}}
+
+% End of art10.sty
+
+\def\labelenumi{\arabic{enumi}.}
+\def\theenumi{\arabic{enumi}}
+\def\labelenumii{(\alph{enumii})}
+\def\theenumii{\alph{enumii}}
+\def\p@enumii{\theenumi}
+\def\labelenumiii{\roman{enumiii}.}
+\def\theenumiii{\roman{enumiii}}
+\def\p@enumiii{\theenumi(\theenumii)}
+\def\labelenumiv{\Alph{enumiv}.}
+\def\theenumiv{\Alph{enumiv}}
+\def\p@enumiv{\p@enumiii\theenumiii}
+
+\def\labelitemi{\bf --}
+\def\labelitemii{\bf --}
+\def\labelitemiii{$\bullet$}
+\def\labelitemiv{$\cdot$}
+
+\def\verse{\let\\=\@centercr
+ \list{}{\itemsep\z@ \itemindent -1.5em\listparindent \itemindent
+ \rightmargin\leftmargin\advance\leftmargin 1.5em}\item[]}
+\let\endverse\endlist
+\def\quotation{\list{}{\listparindent 1.5em
+ \itemindent\listparindent
+ \rightmargin\leftmargin \parsep 0pt plus 1pt}\item[]}
+\let\endquotation=\endlist
+\def\quote{\list{}{\rightmargin\leftmargin}\item[]}
+\let\endquote=\endlist
+
+\def\descriptionlabel#1{\hspace\labelsep \bf #1}
+\def\description{\list{}{\labelwidth\z@ \itemindent-\leftmargin
+ \let\makelabel\descriptionlabel}}
+\let\enddescription\endlist
+
+
+\def\theequation{\arabic{equation}}
+
+
+\def\titlepage{\@restonecolfalse\if@twocolumn\@restonecoltrue\onecolumn
+ \else \newpage \fi \thispagestyle{empty}\c@page\z@}
+\def\endtitlepage{\if@restonecol\twocolumn \else \newpage \fi}
+
+\arraycolsep 2.5pt \tabcolsep 6pt
+\arrayrulewidth .4pt \doublerulesep 2pt
+\tabbingsep \labelsep
+
+\skip\@mpfootins = \skip\footins
+\fboxsep = 3pt \fboxrule = .4pt
+
+\newcounter{part}
+\newcounter {section}
+\newcounter {subsection}[section]
+\newcounter {subsubsection}[subsection]
+\newcounter {paragraph}[subsubsection]
+\newcounter {subparagraph}[paragraph]
+
+% Following commands have been adapted to produce (sub)section headings
+% according to A&A layout (a period after each number).
+
+\def\thepart{\Roman{part}} \def\thesection {\arabic{section}}
+\def\thesubsection {\thesection.\arabic{subsection}}
+\def\thesubsubsection {\thesubsection.\arabic{subsubsection}}
+\def\theparagraph {\thesubsubsection.\arabic{paragraph}}
+\def\thesubparagraph {\theparagraph.\arabic{subparagraph}}
+
+\def\@pnumwidth{1.55em}
+\def\@tocrmarg {2.55em}
+\def\@dotsep{4.5}
+\setcounter{tocdepth}{3}
+
+\def\tableofcontents{\section*{Contents\markboth{CONTENTS}{CONTENTS}}
+ \@starttoc{toc}}
+\def\l@part#1#2{\addpenalty{\@secpenalty}
+ \addvspace{2.25em plus 1pt} \begingroup
+ \@tempdima 3em \parindent \z@ \rightskip \@pnumwidth \parfillskip
+-\@pnumwidth
+ {\large \bf \leavevmode #1\hfil \hbox to\@pnumwidth{\hss #2}}\par
+ \nobreak \endgroup}
+\def\l@section#1#2{\addpenalty{\@secpenalty} \addvspace{1.0em plus 1pt}
+\@tempdima 1.5em \begingroup
+ \parindent \z@ \rightskip \@pnumwidth
+ \parfillskip -\@pnumwidth
+ \bf \leavevmode #1\hfil \hbox to\@pnumwidth{\hss #2}\par
+ \endgroup}
+\def\l@subsection{\@dottedtocline{2}{1.5em}{2.3em}}
+\def\l@subsubsection{\@dottedtocline{3}{3.8em}{3.2em}}
+\def\l@paragraph{\@dottedtocline{4}{7.0em}{4.1em}}
+\def\l@subparagraph{\@dottedtocline{5}{10em}{5em}}
+\def\listoffigures{\section*{List of Figures\markboth
+ {LIST OF FIGURES}{LIST OF FIGURES}}\@starttoc{lof}}
+\def\l@figure{\@dottedtocline{1}{1.5em}{2.3em}}
+\def\listoftables{\section*{List of Tables\markboth
+ {LIST OF TABLES}{LIST OF TABLES}}\@starttoc{lot}}
+\let\l@table\l@figure
+
+
+% \list parameters have been adjusted in the `thebibliography'
+% environment to the match A&A layout of References.
+\def\thebibliography#1{\section*{References\markboth
+ {REFERENCES}{REFERENCES}}\list
+% The \arabic{enumi} command has been removed because we don't use
+% numbered citations in astronomical journals.
+ {}{\setlength\labelwidth{1.4em}\leftmargin\labelwidth
+ \setlength\parsep{0pt}\setlength\itemsep{0pt}
+ \setlength{\itemindent}{-\leftmargin}
+ \usecounter{enumi}}
+ \def\newblock{\hskip .11em plus .33em minus -.07em}
+ \sloppy
+ \sfcode`\.=1000\relax}
+\let\endthebibliography=\endlist
+
+\newif\if@restonecol
+\def\theindex{\@restonecoltrue\if@twocolumn\@restonecolfalse\fi
+\columnseprule \z@
+\columnsep 35pt\twocolumn[\section*{Index}]
+ \markboth{INDEX}{INDEX}\thispagestyle{plain}\parindent\z@
+ \parskip\z@ plus .3pt\relax\let\item\@idxitem}
+\def\@idxitem{\par\hangindent 40pt}
+\def\subitem{\par\hangindent 40pt \hspace*{20pt}}
+\def\subsubitem{\par\hangindent 40pt \hspace*{30pt}}
+\def\endtheindex{\if@restonecol\onecolumn\else\clearpage\fi}
+\def\indexspace{\par \vskip 10pt plus 5pt minus 3pt\relax}
+
+\def\footnoterule{\kern-3\p@
+ \hrule width 2cm
+ \kern 2.6\p@}
+
+\long\def\@makefntext#1{\parindent 1em\noindent
+ \hbox to 1.8em{\hss$^{\@thefnmark}$}#1}
+
+\setcounter{topnumber}{2}
+\def\topfraction{.9}
+\setcounter{bottomnumber}{1}
+\def\bottomfraction{.3}
+\setcounter{totalnumber}{3}
+\def\textfraction{.15}
+\def\floatpagefraction{.85}
+\setcounter{dbltopnumber}{2}
+\def\dbltopfraction{.85}
+\def\dblfloatpagefraction{.85}
+
+% Captions of figures and tables are printed in a different point size
+% in A&A. There is only one \caption command in LaTeX, so we have to let
+% the \caption command know whether it is used within the `figure'
+% environment or within the `table' environment to decide what point
+% size should be used.
+
+\def\aafigurecaption{figure}
+
+\long\def\@makecaption#1#2{
+ \vskip 10pt
+% Use \small lettering when in `figure' environment:
+\makeatletter
+\ifx\@captype\aafigurecaption\small\fi
+\makeatother
+% Make sure that `Table <N>.' or `Fig. <N>.' is typeset in boldface:
+ \setbox\@tempboxa\hbox{{\bf #1} #2}
+ \ifdim \wd\@tempboxa >\hsize \unhbox\@tempboxa\par \else \hbox
+to\hsize{\box\@tempboxa\hfil}
+ \fi
+\makeatletter
+\ifx\@captype\aafigurecaption\else\vskip6pt\fi
+\makeatother}
+
+\def\picplace#1{\vbox{\hrule\@height 0.4pt\@width\hsize
+\hbox to\hsize{\vrule\@width 0.4pt\@height#1\hfil
+\vrule\@width 0.4pt\@height#1}\hrule\@height 0.4pt\@width\hsize}}
+
+\newcounter{figure}
+\def\thefigure{\@arabic\c@figure}
+\def\fps@figure{htbp}
+\def\ftype@figure{1}
+\def\ext@figure{lof}
+\def\fnum@figure{Fig.\ \thefigure.}
+\def\figure{\@float{figure}}
+\let\endfigure\end@float
+\@namedef{figure*}{\@dblfloat{figure}}
+\@namedef{endfigure*}{\end@dblfloat}
+
+\newcounter{table}
+\def\thetable{\@arabic\c@table}
+\def\fps@table{htbp}
+\def\ftype@table{2}
+\def\ext@table{lot}
+\def\fnum@table{Table \thetable.}
+\def\table{\@float{table}}
+\let\endtable\end@float
+\@namedef{table*}{\@dblfloat{table}}
+\@namedef{endtable*}{\end@dblfloat}
+
+% LaTeX does not provide a command to enter the authors institute
+% addresses. The \institute command is defined here.
+
+\newcounter{@inst}
+\newcounter{@auth}
+\newdimen\instindent
+
+\def\institute#1{\gdef\@institute{#1}}
+
+\def\institutename{\par
+ \begingroup
+ \parindent=0pt
+ \parskip=0pt
+ \setcounter{@inst}{1}%
+ \def\and{\par\stepcounter{@inst}%
+ \noindent
+ \hbox to\instindent{\hss$^{\the@inst}$\enspace}\ignorespaces}%
+ \setbox0=\vbox{\def\thanks##1{}\@institute}
+ \ifnum\c@@inst>9\relax\setbox0=\hbox{$^{88}$\enspace}%
+ \else\setbox0=\hbox{$^{8}$\enspace}\fi
+ \instindent=\wd0\relax
+ \ifnum\c@@inst=1\relax\else
+ \setcounter{@inst}{1}%
+ \hangindent\instindent\hangafter=0\noindent
+ \llap{$^{\the@inst}$\enspace}\fi\ignorespaces
+ \@institute\par
+ \endgroup}
+
+\def\offprints#1{\begingroup
+\def\protect{\noexpand\protect\noexpand}\xdef\@thanks{\@thanks
+\protect\footnotetext[0]{\unskip{\it Send offprint requests
+to\/}: \ignorespaces#1}}\endgroup\ignorespaces}
+
+\def\@thanks{}
+
+\long\def\@makefntext#1{\parindent 1em\noindent
+$^{\@thefnmark}$#1}
+
+\def\@fnsymbol#1{\ifcase#1\or\star\or{\star\star}\or{\star\star\star}%
+ \or \dagger\or \ddagger\or
+ \mathchar "278\or \mathchar "27B\or \|\or **\or \dagger\dagger
+ \or \ddagger\ddagger \else\@ctrerr\fi\relax}
+
+\def\inst#1{\unskip$^{#1}$}
+
+\def\subtitle#1{\gdef\@subtitle{#1}}
+\def\@subtitle{}
+
+\def\thesaurus#1{\gdef\@thesaurus{#1}}
+\def\@thesaurus{missing; you have not inserted them}%
+
+\def\maketitle{\par
+ \begingroup
+ \def\thefootnote{\fnsymbol{footnote}}
+ \if@twocolumn
+ \twocolumn[\@maketitle]
+ \else
+ \newpage \@maketitle
+ \fi
+ \global\@topnum\z@
+ \thispagestyle{empty}\@thanks
+ \endgroup
+ \setcounter{footnote}{0}
+ \let\maketitle\relax
+ \let\@maketitle\relax
+ \gdef\@thanks{}\gdef\@author{}\gdef\@title{}\gdef\@subtitle{}%
+ \let\thanks\relax}
+
+\def\AALogo{\setbox254=\hbox{ ASTROPHYSICS }%
+\vbox{\baselineskip=10dd\hrule\hbox{\vrule\vbox{\kern3pt
+\hbox to\wd254{\hfil ASTRONOMY\hfil}
+\hbox to\wd254{\hfil AND\hfil}\copy254
+\hbox to\wd254{\hfil\number\day.\number\month.\number\year\hfil}
+\kern3pt}\vrule}\hrule}}
+\def\makeheadbox{{\hsize=30cc
+\hbox to0pt{\vbox{\baselineskip=10dd\hrule\hbox
+to\hsize{\vrule\kern3pt\vbox{\kern3pt
+\hbox{\bf A\&A manuscript no.}
+\hbox{(will be inserted by hand later)}
+\kern3pt\hrule\kern3pt\bf
+\hbox{Your thesaurus codes are:}
+\hbox{\rightskip=0pt plus3em\advance\hsize by-7pt
+\vbox{\noindent\ignorespaces\@thesaurus}}
+\kern3pt}\hfil\kern3pt\vrule}\hrule}
+\rlap{\quad\AALogo}\hss}}}
+
+\def\@maketitle{\newpage
+ \rm\vbox to0pt{}\vskip-8mm
+ \makeheadbox
+ \vskip13.5mm
+ {\LARGE \bf\boldmath
+ \pretolerance=10000
+ \rightskip=0pt plus 4cm
+ \noindent\ignorespaces
+ \@title \par}\vskip .3cm
+\if!\@subtitle!\else {\Large \bf\boldmath
+ \vskip .05cm
+ \pretolerance=10000
+ \rightskip=0pt plus 3cm
+ \noindent\@subtitle \par}\vskip .4cm\fi
+ {\bf \lineskip .5em
+\setbox0=\vbox{\setcounter{@auth}{1}\def\and{\stepcounter{@auth}}%
+\def\thanks##1{}\@author\global\c@@inst=\c@@auth}%
+\def\lastand{\ifnum\c@@inst=2\relax\unskip{} and \else
+\unskip, and \fi}%
+\setcounter{@auth}{1}%
+\def\and{\stepcounter{@auth}\ifnum\c@@auth=\c@@inst\lastand\else
+\unskip, \fi}%
+ \noindent\@author\vskip.125cm}
+ \institutename
+ \vskip .35cm {\normalsize\noindent\@date}
+ \par
+ \vskip .7cm}
+
+% The `abstract' environment has been renamed to `abstr' so a new
+% environment `abstract' can be defined in terms of the old one. Using
+% the standard LaTeX `abstract' environment now yields the A&A Summary.
+\def\abstr{{\noindent \bf Abstract. }\ignorespaces}
+\def\endabstr{\relax}
+
+\mark{{}{}}
+
+\if@twoside
+\def\ps@headings{\def\@oddfoot{}\def\@evenfoot{}\def\@evenhead{\rm
+\thepage\hfil \sl \leftmark}\def\@oddhead{\hbox{}\sl \rightmark \hfil
+\rm\thepage}\def\sectionmark##1{\markboth {\uppercase{\ifnum
+\c@secnumdepth >\z@ \thesection\hskip 1em\relax \fi
+##1}}{}}\def\subsectionmark##1{\markright {\ifnum \c@secnumdepth >\@ne
+\thesubsection\hskip 1em\relax \fi ##1}}}
+\else
+\def\ps@headings{\def\@oddfoot{}\def\@evenfoot{}\def\@oddhead{\hbox
+{}\sl \rightmark \hfil \rm\thepage}\def\sectionmark##1{\markright
+{\uppercase{\ifnum \c@secnumdepth >\z@ \thesection\hskip 1em\relax \fi
+##1}}}}
+\fi
+\def\ps@myheadings{\def\@oddhead{\hbox{}\hfil\rm\thepage\hfil
+}\def\@oddfoot{}\def\@evenhead{\hfil\rm\thepage\hfil\hbox
+{}}\def\@evenfoot{}\def\sectionmark##1{}\def\subsectionmark##1{}}
+
+
+\def\today{\ifcase\month\or
+ January\or February\or March\or April\or May\or June\or
+ July\or August\or September\or October\or November\or December\fi
+ \space\number\day, \number\year}
+
+\ps@myheadings \pagenumbering{arabic} \onecolumn
+\if@twoside\else\raggedbottom\fi
+
+% Here the LaTeX `twocolumn.sty' is included.
+
+% twocolumn.sty 27 Jan 85
+\if@referee
+ \textwidth 30cc
+ \onecolumn
+\else
+ \twocolumn
+\fi
+\sloppy
+\flushbottom
+\marginparwidth 48pt
+% End of twocolumn.sty
+
+\def\@array[#1]#2{\setbox\@arstrutbox=\hbox{\vrule
+ height\arraystretch \ht\strutbox
+ depth\arraystretch \dp\strutbox
+ width\z@}\@mkpream{@{}#2}\edef\@preamble{\halign \noexpand\@halignto
+\bgroup \tabskip\z@ \@arstrut \@preamble \tabskip\z@ \cr}%
+\let\@startpbox\@@startpbox \let\@endpbox\@@endpbox
+ \if #1t\vtop \else \if#1b\vbox \else \vcenter \fi\fi
+ \bgroup \let\par\relax
+ \let\@sharp##\let\protect\relax \lineskip\z@\baselineskip\z@\@preamble}
+
+% Here the LaTeX `fleqn.sty' is included.
+% fleqn.sty 6 Feb 85
+\def\[{\relax\ifmmode\@badmath\else\begingroup\trivlist
+\item[]\leavevmode \hbox to\linewidth\bgroup$ \displaystyle
+\hskip\mathindent\bgroup\fi}
+\def\]{\relax\ifmmode \egroup $\hfil \egroup \endtrivlist \endgroup\else
+\@badmath \fi}
+\def\equation{\refstepcounter{equation}\trivlist \item[]\leavevmode
+\hbox to\linewidth\bgroup $ \displaystyle \hskip\mathindent}
+\def\endequation{$\hfil \displaywidth\linewidth\@eqnnum\egroup
+\endtrivlist}
+\def\eqnarray{\stepcounter{equation}\let\@currentlabel=\theequation
+\global\@eqnswtrue \global\@eqcnt\z@\tabskip\mathindent\let\\=\@eqncr
+\abovedisplayskip\topsep\ifvmode\advance\abovedisplayskip\partopsep\fi
+\belowdisplayskip\abovedisplayskip
+\belowdisplayshortskip\abovedisplayskip
+\abovedisplayshortskip\abovedisplayskip $$\halign to
+\linewidth\bgroup\@eqnsel\hskip\@centering$\displaystyle\tabskip\z@
+{##}$&\global\@eqcnt\@ne \hskip 2\arraycolsep \hfil${##}$\hfil
+&\global\@eqcnt\tw@ \hskip 2\arraycolsep $\displaystyle{##}$\hfil
+\tabskip\@centering&\llap{##}\tabskip\z@\cr}
+\def\endeqnarray{\@@eqncr\egroup
+\global\advance\c@equation\m@ne$$\global\@ignoretrue}
+\newdimen\mathindent
+% A&A does not indent equations:
+\mathindent = 0pt
+
+% End of `fleqn.sty
+
+% Redefine `abstract' environment to close with a \rule
+
+\newenvironment{abstract}{\begin{abstr}\ignorespaces}{\vskip0.5cm\hrule
+\vskip3ptplus10dd\null\end{abstr}}
+
+% Define \keywords
+
+\def\keywords{\par\vspace{12pt}\noindent{\bf Key words: }}
+
+% Define \acknowledgements
+
+\def\acknowledgements{\vspace{12pt}\noindent{\em Acknowledgements.\/ }%
+\ignorespaces}
+
+% Redefine \@cite so no square brackets are output.
+% Redefine \@biblabel so the label is not output in the bibliography.
+
+\def\@cite#1#2{{#1\if@tempswa , #2\fi}}
+\def\@biblabel#1{}
+
+\def\squareforqed{\hbox{\rlap{$\sqcap$}$\sqcup$}}
+\def\sq{\ifmmode\squareforqed\else{\unskip\nobreak\hfil
+\penalty50\hskip1em\null\nobreak\hfil\squareforqed
+\parfillskip=0pt\finalhyphendemerits=0\endgraf}\fi}
+
+\def\sun{\hbox{$\odot$}}
+\def\la{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr<\cr\sim\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr
+<\cr\sim\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+<\cr\sim\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+<\cr\sim\cr}}}}}
+\def\ga{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr>\cr\sim\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr
+>\cr\sim\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+>\cr\sim\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+>\cr\sim\cr}}}}}
+\def\degr{\hbox{$^\circ$}}
+\def\arcmin{\hbox{$^\prime$}}
+\def\arcsec{\hbox{$^{\prime\prime}$}}
+\def\utw{\smash{\rlap{\lower5pt\hbox{$\sim$}}}}
+\def\udtw{\smash{\rlap{\lower6pt\hbox{$\approx$}}}}
+\def\fd{\hbox{$.\!\!^{\rm d}$}}
+\def\fh{\hbox{$.\!\!^{\rm h}$}}
+\def\fm{\hbox{$.\!\!^{\rm m}$}}
+\def\fs{\hbox{$.\!\!^{\rm s}$}}
+\def\fdg{\hbox{$.\!\!^\circ$}}
+\def\farcm{\hbox{$.\mkern-4mu^\prime$}}
+\def\farcs{\hbox{$.\!\!^{\prime\prime}$}}
+\def\fp{\hbox{$.\!\!^{\scriptscriptstyle\rm p}$}}
+\def\cor{\mathrel{\mathchoice {\hbox{$\widehat=$}}{\hbox{$\widehat=$}}
+{\hbox{$\scriptstyle\hat=$}}
+{\hbox{$\scriptscriptstyle\hat=$}}}}
+\def\sol{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr\sim\cr<\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr\sim\cr
+<\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr\sim\cr
+<\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+\sim\cr<\cr}}}}}
+\def\sog{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr\sim\cr>\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr\sim\cr
+>\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+\sim\cr>\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+\sim\cr>\cr}}}}}
+\def\lse{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr<\cr\simeq\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr
+<\cr\simeq\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+<\cr\simeq\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+<\cr\simeq\cr}}}}}
+\def\gse{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr>\cr\simeq\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr
+>\cr\simeq\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+>\cr\simeq\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+>\cr\simeq\cr}}}}}
+\def\grole{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr>\cr\noalign{\vskip-1.5pt}<\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr
+>\cr\noalign{\vskip-1.5pt}<\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+>\cr\noalign{\vskip-1pt}<\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+>\cr\noalign{\vskip-0.5pt}<\cr}}}}}
+\def\leogr{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr<\cr\noalign{\vskip-1.5pt}>\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr
+<\cr\noalign{\vskip-1.5pt}>\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+<\cr\noalign{\vskip-1pt}>\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+<\cr\noalign{\vskip-0.5pt}>\cr}}}}}
+\def\loa{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr<\cr\approx\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr
+<\cr\approx\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+<\cr\approx\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+<\cr\approx\cr}}}}}
+\def\goa{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr>\cr\approx\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr
+>\cr\approx\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr
+>\cr\approx\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+>\cr\approx\cr}}}}}
+\def\diameter{{\ifmmode\mathchoice
+{\ooalign{\hfil\hbox{$\displaystyle/$}\hfil\crcr
+{\hbox{$\displaystyle\mathchar"20D$}}}}
+{\ooalign{\hfil\hbox{$\textstyle/$}\hfil\crcr
+{\hbox{$\textstyle\mathchar"20D$}}}}
+{\ooalign{\hfil\hbox{$\scriptstyle/$}\hfil\crcr
+{\hbox{$\scriptstyle\mathchar"20D$}}}}
+{\ooalign{\hfil\hbox{$\scriptscriptstyle/$}\hfil\crcr
+{\hbox{$\scriptscriptstyle\mathchar"20D$}}}}
+\else{\ooalign{\hfil/\hfil\crcr\mathhexbox20D}}%
+\fi}}
+
+
+\def\getsto{\mathrel{\mathchoice {\vcenter{\offinterlineskip
+\halign{\hfil
+$\displaystyle##$\hfil\cr\gets\cr\to\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr\gets
+\cr\to\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr\gets
+\cr\to\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+\gets\cr\to\cr}}}}}
+\def\lid{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr<\cr\noalign{\vskip1.2pt}=\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr<\cr
+\noalign{\vskip1.2pt}=\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr<\cr
+\noalign{\vskip1pt}=\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+<\cr
+\noalign{\vskip0.9pt}=\cr}}}}}
+\def\gid{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
+$\displaystyle##$\hfil\cr>\cr\noalign{\vskip1.2pt}=\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\textstyle##$\hfil\cr>\cr
+\noalign{\vskip1.2pt}=\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptstyle##$\hfil\cr>\cr
+\noalign{\vskip1pt}=\cr}}}
+{\vcenter{\offinterlineskip\halign{\hfil$\scriptscriptstyle##$\hfil\cr
+>\cr
+\noalign{\vskip0.9pt}=\cr}}}}}
+\def\bbbr{{\rm I\!R}} %reelle Zahlen
+\def\bbbm{{\rm I\!M}}
+\def\bbbn{{\rm I\!N}} %natuerliche Zahlen
+\def\bbbf{{\rm I\!F}}
+\def\bbbh{{\rm I\!H}}
+\def\bbbk{{\rm I\!K}}
+\def\bbbp{{\rm I\!P}}
+\def\bbbone{{\mathchoice {\rm 1\mskip-4mu l} {\rm 1\mskip-4mu l}
+{\rm 1\mskip-4.5mu l} {\rm 1\mskip-5mu l}}}
+\def\bbbc{{\mathchoice {\setbox0=\hbox{$\displaystyle\rm C$}\hbox{\hbox
+to0pt{\kern0.4\wd0\vrule height0.9\ht0\hss}\box0}}
+{\setbox0=\hbox{$\textstyle\rm C$}\hbox{\hbox
+to0pt{\kern0.4\wd0\vrule height0.9\ht0\hss}\box0}}
+{\setbox0=\hbox{$\scriptstyle\rm C$}\hbox{\hbox
+to0pt{\kern0.4\wd0\vrule height0.9\ht0\hss}\box0}}
+{\setbox0=\hbox{$\scriptscriptstyle\rm C$}\hbox{\hbox
+to0pt{\kern0.4\wd0\vrule height0.9\ht0\hss}\box0}}}}
+\def\bbbq{{\mathchoice {\setbox0=\hbox{$\displaystyle\rm
+Q$}\hbox{\raise
+0.15\ht0\hbox to0pt{\kern0.4\wd0\vrule height0.8\ht0\hss}\box0}}
+{\setbox0=\hbox{$\textstyle\rm Q$}\hbox{\raise
+0.15\ht0\hbox to0pt{\kern0.4\wd0\vrule height0.8\ht0\hss}\box0}}
+{\setbox0=\hbox{$\scriptstyle\rm Q$}\hbox{\raise
+0.15\ht0\hbox to0pt{\kern0.4\wd0\vrule height0.7\ht0\hss}\box0}}
+{\setbox0=\hbox{$\scriptscriptstyle\rm Q$}\hbox{\raise
+0.15\ht0\hbox to0pt{\kern0.4\wd0\vrule height0.7\ht0\hss}\box0}}}}
+\def\bbbt{{\mathchoice {\setbox0=\hbox{$\displaystyle\rm
+T$}\hbox{\hbox to0pt{\kern0.3\wd0\vrule height0.9\ht0\hss}\box0}}
+{\setbox0=\hbox{$\textstyle\rm T$}\hbox{\hbox
+to0pt{\kern0.3\wd0\vrule height0.9\ht0\hss}\box0}}
+{\setbox0=\hbox{$\scriptstyle\rm T$}\hbox{\hbox
+to0pt{\kern0.3\wd0\vrule height0.9\ht0\hss}\box0}}
+{\setbox0=\hbox{$\scriptscriptstyle\rm T$}\hbox{\hbox
+to0pt{\kern0.3\wd0\vrule height0.9\ht0\hss}\box0}}}}
+\def\bbbs{{\mathchoice
+{\setbox0=\hbox{$\displaystyle \rm S$}\hbox{\raise0.5\ht0\hbox
+to0pt{\kern0.35\wd0\vrule height0.45\ht0\hss}\hbox
+to0pt{\kern0.55\wd0\vrule height0.5\ht0\hss}\box0}}
+{\setbox0=\hbox{$\textstyle \rm S$}\hbox{\raise0.5\ht0\hbox
+to0pt{\kern0.35\wd0\vrule height0.45\ht0\hss}\hbox
+to0pt{\kern0.55\wd0\vrule height0.5\ht0\hss}\box0}}
+{\setbox0=\hbox{$\scriptstyle \rm S$}\hbox{\raise0.5\ht0\hbox
+to0pt{\kern0.35\wd0\vrule height0.45\ht0\hss}\raise0.05\ht0\hbox
+to0pt{\kern0.5\wd0\vrule height0.45\ht0\hss}\box0}}
+{\setbox0=\hbox{$\scriptscriptstyle\rm S$}\hbox{\raise0.5\ht0\hbox
+to0pt{\kern0.4\wd0\vrule height0.45\ht0\hss}\raise0.05\ht0\hbox
+to0pt{\kern0.55\wd0\vrule height0.45\ht0\hss}\box0}}}}
+\def\bbbz{{\mathchoice {\hbox{$\sf\textstyle Z\kern-0.4em Z$}}
+{\hbox{$\sf\textstyle Z\kern-0.4em Z$}}
+{\hbox{$\sf\scriptstyle Z\kern-0.3em Z$}}
+{\hbox{$\sf\scriptscriptstyle Z\kern-0.2em Z$}}}}
+\def\ts{\thinspace}
+
+\def\typeset{\vfill{\small\noindent This article was processed by the
+author using Springer-Verlag \LaTeX\ A\&A style file 1990.\par}}
+
+\def\enddocument{\par\typeset
+\@checkend{document}\clearpage\begingroup
+\if@filesw \immediate\closeout\@mainaux
+\def\global\@namedef##1##2{}\def\newlabel{\@testdef r}%
+\def\bibcite{\@testdef b}\@tempswafalse\makeatletter\input \jobname.aux
+\if@tempswa \@warning{Label(s) may have changed. Rerun to get
+cross-references right}\fi\fi\endgroup\deadcycles\z@\@@end}
+ \ No newline at end of file