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mnras.cls
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mnras.cls
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% mnras.cls
%
% MNRAS journal document class file
% v3.0 for LaTeX 2e
%
% Copyright (C) Royal Astronomical Society 2015, Blackwell Science 2001,
% Cambridge University Press 1994
%
% Authors:
% David Rhead, Springer Verlag, M. Reed, Sue Brooks, Alison Woollatt,
% Mark Reed, Nadine Thompson, John Thompson, David Evans, Keith T. Smith,
% Norman Gray
%
% For a full change log see the end of this file.
% See mnras_guide for a user guide
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either version 1.3
% of this license or (at your option) any later version.
% The latest version of this license is in
% http://www.latex-project.org/lppl.txt
% and version 1.3 or later is part of all distributions of LaTeX
% version 2005/12/01 or later.
%
% This work has the LPPL maintenance status `author-maintained'.
%
% The Current Maintainer of this work is: Royal Astronomical Society,
% MNRAS Editorial Office, who can be contacted on [email protected]
%
% This work consists of all the files listed in readme.txt
% Preamble to this style file
\def\@version{3.0}
\def\@releasedate{2015/05/22}
\NeedsTeXFormat{LaTeX2e}
\ProvidesClass{mnras}[\@releasedate\ v\@version\ LaTeX2e MNRAS document class]
\typeout{MNRAS document style v\@version, released \@releasedate}
% Journals use two-sided printing.
%
\@twosidetrue
\@twocolumntrue
\@mparswitchtrue
\def\ds@draft{\overfullrule 5pt}
\def\ds@twocolumn{\@twocolumntrue}
\def\ds@onecolumn{\@twocolumnfalse}
% letters option
%
\newif\if@letters
\def\ds@letters{\@letterstrue}
% landscape option
%
\newif\ifSFB@landscape
\def\ds@landscape{\SFB@landscapetrue}
% galley option
%
\newif\ifSFB@galley
\def\ds@galley{\SFB@galleytrue}
% usenatbib option
%
\newif\if@usenatbib
\def\ds@usenatbib{\@usenatbibtrue}
% usedcolumn option
%
\newif\if@usedcolumn
\def\ds@usedcolumn{\@usedcolumntrue}
% usegraphicx option
\newif\if@usegraphicx
\def\ds@usegraphicx{\@usegraphicxtrue\usepackage{graphicx}}
% referee option
%
\newif\ifSFB@referee
\def\ds@referee{%
\SFB@refereetrue
\@twocolumnfalse
}
\newif\ifdoublesp@cing
\def\ds@doublespacing{%
\doublesp@cingtrue
}%
%%%
%%% NHT: New AMS fonts option
%%%
\newif\ifNHT@useAMS
\def\ds@useAMS{\NHT@useAMStrue}
%
% Prevent fleqn throwing an 'unknown option' warning
\newif\if@fleqn
\def\ds@fleqn{\@fleqntrue}
% Silently execute these options. I'm not convinced this actually does anything.
\ExecuteOptions{a4paper,twoside,final,fleqn}
% Throw warning if the user tries to use US Letter paper
\newif\if@letterpaper
\def\ds@letterpaper{\PackageWarning{mnras}{MNRAS uses A4 paper, option 'letterpaper' is ignored}}
% Error message for unknown options
\DeclareOption*{\PackageWarning{mnras}{Unknown option `\CurrentOption'}}
\ProcessOptions\relax
% Before we do anything else with layout, ensure that the paper is A4
\usepackage[a4paper]{geometry}
% Fix several errors with LaTeX2e, including 2-column floats out of order
%\usepackage{fixltx2e}
% Include hyperref, so we can have clickable links
%
% ****************************************
% * Font sizes *
% ****************************************
% Note these are misleadingly named - most text is not in \normalsize etc.
\lineskip 1pt
\normallineskip 1pt
\ifSFB@referee
\def\baselinestretch{1.5}
\else
\ifdoublesp@cing
\def\baselinestretch{2}
\else
\def\baselinestretch{1}
\fi\fi
\if@twocolumn
\renewcommand\normalsize{\@setfontsize\normalsize\@ixpt{11}%
\abovedisplayskip 6pt plus 2pt minus 2pt
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip 6pt plus 2pt
\belowdisplayshortskip \abovedisplayshortskip
\let\@listi\@listI}
\else
\ifSFB@referee
\renewcommand\normalsize{\@setfontsize\normalsize\@xiipt{14}%
\abovedisplayskip 4pt plus 1pt minus 1pt
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip 4pt plus 1pt
\belowdisplayshortskip \abovedisplayshortskip
\let\@listi\@listI}
\else
\renewcommand\normalsize{\@setfontsize\normalsize\@ixpt{12}%
\abovedisplayskip 4pt plus 1pt minus 1pt
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip 4pt plus 1pt
\belowdisplayshortskip \abovedisplayshortskip
\let\@listi\@listI}
\fi
\fi
\newcommand\small{\@setfontsize\small\@viiipt{10}%
\abovedisplayskip 4pt plus 1pt minus 1pt
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip 4pt plus 1pt
\belowdisplayshortskip \abovedisplayshortskip
\def\@listi{\leftmargin\leftmargini
\topsep 2pt plus 1pt minus 1pt
\parsep \z@
\itemsep 2pt}}
\newcommand\footnotesize{\@setfontsize\footnotesize\@viiipt{10}%
\abovedisplayskip 4pt plus 1pt minus 1pt
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip 4pt plus 1pt
\belowdisplayshortskip \abovedisplayshortskip
\renewcommand\@listi{\leftmargin\leftmargini
\topsep 2pt plus 1pt minus 1pt
\parsep \z@
\itemsep 2pt}}
\newcommand\scriptsize{\@setfontsize\scriptsize\@vipt{8}}
\newcommand\tiny{\@setfontsize\tiny\@vpt{6}}
%
\if@twocolumn
\newcommand\large{\@setfontsize\large\@xpt{11}}
\else
\newcommand\large{\@setfontsize\large\@xpt{12}}
\fi
\newcommand\Large{\@setfontsize\Large\@xiipt{14}}
\newcommand\LARGE{\@setfontsize\LARGE\@xivpt{17}}
\newcommand\huge{\@setfontsize\huge\@xviipt{20}}
\newcommand\Huge{\@setfontsize\Huge\@xxpt{25}}
%
\newcommand\sevensize{\@setfontsize\sevensize\@viipt{8}}
%
\normalsize
%%%%%%%%%%%%%%%%%%%%%%%% Extra Math / Symbol code %%%%%%%%%%%%%%%%%%%%%%%%
\newcommand{\rmn}[1]{{\mathrm{#1}}}
\newcommand{\itl}[1]{{\mathit{#1}}}
\newcommand{\bld}[1]{{\mathbf{#1}}}
\DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
\DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
\DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
\DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf}
\DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit}
\DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl}
\DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc}
\DeclareRobustCommand\cal{\@fontswitch{\relax}{\mathcal}}
\DeclareRobustCommand\mit{\@fontswitch{\relax}{\mathchoice}}
%
\def\hexnumber#1{\ifcase#1 0\or1\or2\or3\or4\or5\or6\or7%
\or8\or9\or A\or B\or C\or D\or E\or F\fi}
\def\setboxz@h{\setbox\z@\hbox}
\def\wdz@{\wd\z@}
\def\boxz@{\box\z@}
\def\setbox@ne{\setbox\@ne}
\def\wd@ne{\wd\@ne}
\def\math@atom#1#2{%
\binrel@{#1}\binrel@@{#2}}
\def\binrel@#1{\setboxz@h{\thinmuskip0mu
\medmuskip\m@ne mu\thickmuskip\@ne mu$#1\m@th$}%
\setbox@ne\hbox{\thinmuskip0mu\medmuskip\m@ne mu\thickmuskip
\@ne mu${}#1{}\m@th$}%
\setbox\tw@\hbox{\hskip\wd@ne\hskip-\wdz@}}
\def\binrel@@#1{\ifdim\wd2<\z@\mathbin{#1}\else\ifdim\wd\tw@>\z@
\mathrel{#1}\else{#1}\fi\fi}
% These must be here because \newif and \newtoks are defined \outer.
\newif\iffirstta
\newtoks\math@groups
\newif\ifd@f
% Make these do nothing (for backwards compatibility}
\let\loadboldmathitalic=\relax
\let\loadboldgreek=\relax
% font definitions for NFSS release 2
\newcommand{\textbfit}[1]{\textbf{\textit{#1}}}
\newcommand{\mathbfit}[1]{\textbf{\textit{#1}}}
\newcommand{\textbfss}[1]{\textbf{\textsf{#1}}}
\newcommand{\mathbfss}[1]{\textbf{\textsf{#1}}}
%
\def\mathch{\protect\p@mathch}
\def\p@mathch#1#2{%
\begingroup
\let\@nomath\@gobble \mathversion{#1}%
\math@atom{#2}{%
\mathchoice%
{\hbox{$\m@th\displaystyle#2$}}%
{\hbox{$\m@th\textstyle#2$}}%
{\hbox{$\m@th\scriptstyle#2$}}%
{\hbox{$\m@th\scriptscriptstyle#2$}}}%
\endgroup}
%
\def\bmath{\protect\p@boldm}
\def\p@boldm#1{\mathch{bold}{#1}}
%
\let\mit=\mathnormal
%
% The following is needed because NFSS release 2
% does not define the bold
% math symbol font to be available!
%
\SetSymbolFont{symbols}{bold}{OMS}{cmsy}{b}{n}
%
\DeclareSymbolFont{bmisymbols}{OML}{cmm}{b}{it}
\DeclareMathSymbol{\balpha}{0}{bmisymbols}{"0B}
\DeclareMathSymbol{\bbeta}{0}{bmisymbols}{"0C}
\DeclareMathSymbol{\bgamma}{0}{bmisymbols}{"0D}
\DeclareMathSymbol{\bdelta}{0}{bmisymbols}{"0E}
\DeclareMathSymbol{\bepsilon}{0}{bmisymbols}{"0F}
\DeclareMathSymbol{\bzeta}{0}{bmisymbols}{"10}
\DeclareMathSymbol{\boldeta}{0}{bmisymbols}{"11}
\DeclareMathSymbol{\btheta}{0}{bmisymbols}{"12}
\DeclareMathSymbol{\biota}{0}{bmisymbols}{"13}
\DeclareMathSymbol{\bkappa}{0}{bmisymbols}{"14}
\DeclareMathSymbol{\blambda}{0}{bmisymbols}{"15}
\DeclareMathSymbol{\bmu}{0}{bmisymbols}{"16}
\DeclareMathSymbol{\bnu}{0}{bmisymbols}{"17}
\DeclareMathSymbol{\bxi}{0}{bmisymbols}{"18}
\DeclareMathSymbol{\bpi}{0}{bmisymbols}{"19}
\DeclareMathSymbol{\brho}{0}{bmisymbols}{"1A}
\DeclareMathSymbol{\bsigma}{0}{bmisymbols}{"1B}
\DeclareMathSymbol{\btau}{0}{bmisymbols}{"1C}
\DeclareMathSymbol{\bupsilon}{0}{bmisymbols}{"1D}
\DeclareMathSymbol{\bphi}{0}{bmisymbols}{"1E}
\DeclareMathSymbol{\bchi}{0}{bmisymbols}{"1F}
\DeclareMathSymbol{\bpsi}{0}{bmisymbols}{"20}
\DeclareMathSymbol{\bomega}{0}{bmisymbols}{"21}
\DeclareMathSymbol{\bvarepsilon}{0}{bmisymbols}{"22}
\DeclareMathSymbol{\bvartheta}{0}{bmisymbols}{"23}
\DeclareMathSymbol{\bvarpi}{0}{bmisymbols}{"24}
\DeclareMathSymbol{\bvarrho}{0}{bmisymbols}{"25}
\DeclareMathSymbol{\bvarsigma}{0}{bmisymbols}{"26}
\DeclareMathSymbol{\bvarphi}{0}{bmisymbols}{"27}
%
%% Define font shapes for Euler upright Math
\ifNHT@useAMS
\DeclareSymbolFont{UPM}{U}{eur}{m}{n}
\SetSymbolFont{UPM}{bold}{U}{eur}{b}{n}
\DeclareSymbolFont{AMSa}{U}{msa}{m}{n}
\DeclareMathSymbol{\upi}{0}{UPM}{"19}
\DeclareMathSymbol{\umu}{0}{UPM}{"16}
\DeclareMathSymbol{\upartial}{0}{UPM}{"40}
\DeclareMathSymbol{\leqslant}{3}{AMSa}{"36}
\DeclareMathSymbol{\geqslant}{3}{AMSa}{"3E}
\DeclareMathSymbol{\la}{3}{AMSa}{46}
\DeclareMathSymbol{\ga}{3}{AMSa}{38}
%
\let\oldle=\le \let\oldleq=\leq
\let\oldge=\ge \let\oldgeq=\geq
\let\leq=\leqslant \let\le=\leqslant
\let\geq=\geqslant \let\ge=\geqslant
\else
\newcommand{\upi}{\pi}
\newcommand{\umu}{\mu}
\newcommand{\upartial}{\partial}
\newcommand{\la}{\,\rlap{\raise 0.5ex\hbox{$<$}}{\lower 1.0ex\hbox{$\sim$}}\,}
\newcommand{\ga}{\,\rlap{\raise 0.5ex\hbox{$>$}}{\lower 1.0ex\hbox{$\sim$}}\,}
\fi
% Astronomy and Astrophysics symbol macros
\newcommand\getsto{\mathrel{\mathchoice {\vcenter{\offinterlineskip
\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr\gets\cr\to\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr\gets
\cr\to\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr\gets
\cr\to\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
\gets\cr\to\cr}}}}}
\newcommand\cor{\mathrel{\mathchoice {\hbox{$\widehat=$}}{\hbox{$\widehat=$}}
{\hbox{$\reset@font\scriptstyle\hat=$}}
{\hbox{$\reset@font\scriptscriptstyle\hat=$}}}}
\newcommand\lid{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr<\cr\noalign{\vskip1.2pt}=\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr<\cr
\noalign{\vskip1.2pt}=\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr<\cr
\noalign{\vskip1pt}=\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
<\cr
\noalign{\vskip0.9pt}=\cr}}}}}
\newcommand\gid{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr>\cr\noalign{\vskip1.2pt}=\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr>\cr
\noalign{\vskip1.2pt}=\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr>\cr
\noalign{\vskip1pt}=\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
>\cr
\noalign{\vskip0.9pt}=\cr}}}}}
\newcommand\sol{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr\sim\cr<\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr\sim\cr
<\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr\sim\cr
<\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
\sim\cr<\cr}}}}}
\newcommand\sog{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr\sim\cr>\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr\sim\cr
>\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr
\sim\cr>\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
\sim\cr>\cr}}}}}
\newcommand\lse{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr<\cr\simeq\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr
<\cr\simeq\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr
<\cr\simeq\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
<\cr\simeq\cr}}}}}
\newcommand\gse{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr>\cr\simeq\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr
>\cr\simeq\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr
>\cr\simeq\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
>\cr\simeq\cr}}}}}
\newcommand\grole{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr>\cr\noalign{\vskip-1.5pt}<\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr
>\cr\noalign{\vskip-1.5pt}<\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr
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{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
>\cr\noalign{\vskip-0.5pt}<\cr}}}}}
\newcommand\leogr{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr<\cr\noalign{\vskip-1.5pt}>\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr
<\cr\noalign{\vskip-1.5pt}>\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr
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{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
<\cr\noalign{\vskip-0.5pt}>\cr}}}}}
\newcommand\loa{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr<\cr\approx\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr
<\cr\approx\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr
<\cr\approx\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
<\cr\approx\cr}}}}}
\newcommand\goa{\mathrel{\mathchoice {\vcenter{\offinterlineskip\halign{\hfil
$\reset@font\displaystyle##$\hfil\cr>\cr\approx\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\textstyle##$\hfil\cr
>\cr\approx\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptstyle##$\hfil\cr
>\cr\approx\cr}}}
{\vcenter{\offinterlineskip\halign{\hfil$\reset@font\scriptscriptstyle##$\hfil\cr
>\cr\approx\cr}}}}}
\newcommand\sun{\hbox{$\odot$}}
\newcommand\earth{\hbox{$\oplus$}}
\newcommand\degr{\hbox{$^\circ$}}
\newcommand\diameter{{\ifmmode\mathchoice
{\ooalign{\hfil\hbox{$\reset@font\displaystyle/$}\hfil\crcr
{\hbox{$\reset@font\displaystyle\mathchar"20D$}}}}
{\ooalign{\hfil\hbox{$\reset@font\textstyle/$}\hfil\crcr
{\hbox{$\reset@font\textstyle\mathchar"20D$}}}}
{\ooalign{\hfil\hbox{$\reset@font\scriptstyle/$}\hfil\crcr
{\hbox{$\reset@font\scriptstyle\mathchar"20D$}}}}
{\ooalign{\hfil\hbox{$\reset@font\scriptscriptstyle/$}\hfil\crcr
{\hbox{$\reset@font\scriptscriptstyle\mathchar"20D$}}}}
\else{\ooalign{\hfil/\hfil\crcr\mathhexbox20D}}%
\fi}}
\newcommand\sq{\hbox{\rlap{$\sqcap$}$\sqcup$}}
\newcommand{\romn}[1] {{\mathrm #1}}
\newcommand\fd{\hbox{$.\!\!^{\reset@font\romn d}$}}
\newcommand\fh{\hbox{$.\!\!^{\reset@font\romn h}$}}
\newcommand\fm{\hbox{$.\!\!^{\reset@font\romn m}$}}
\newcommand\fs{\hbox{$.\!\!^{\reset@font\romn s}$}}
\newcommand\fdg{\hbox{$.\!\!^\circ$}}
\newcommand\farcm{\hbox{$.\mkern-4mu^\prime$}}
\newcommand\farcs{\hbox{$.\!\!^{\prime\prime}$}}
\newcommand\fp{\hbox{$.\!\!^{\reset@font\reset@font\scriptscriptstyle\romn p}$}}
\newcommand\arcmin{\hbox{$^\prime$}}
\newcommand\arcsec{\hbox{$^{\prime\prime}$}}
\newcommand\micron{\hbox{$\umu$m}}
\newcommand\ion[2]{\text{#1\,\textsc{\lowercase{#2}}}} % ionization states
% Standard journal abbreviations
% Mostly as used by ADS, with a few additions for journals where MNRAS does not
% follow normal IAU style.
\newcommand\aap{A\&A} % Astronomy and Astrophysics
\let\astap=\aap % alternative shortcut
\newcommand\aapr{A\&ARv} % Astronomy and Astrophysics Review (the)
\newcommand\aaps{A\&AS} % Astronomy and Astrophysics Supplement Series
\newcommand\actaa{Acta Astron.} % Acta Astronomica
\newcommand\afz{Afz} % Astrofizika
\newcommand\aj{AJ} % Astronomical Journal (the)
\newcommand\ao{Appl. Opt.} % Applied Optics
\let\applopt=\ao % alternative shortcut
\newcommand\aplett{Astrophys.~Lett.} % Astrophysics Letters
\newcommand\apj{ApJ} % Astrophysical Journal
\newcommand\apjl{ApJ} % Astrophysical Journal, Letters
\let\apjlett=\apjl % alternative shortcut
\newcommand\apjs{ApJS} % Astrophysical Journal, Supplement
\let\apjsupp=\apjs % alternative shortcut
% The following journal does not appear to exist! Disabled.
%\newcommand\apspr{Astrophys.~Space~Phys.~Res.} % Astrophysics Space Physics Research
\newcommand\apss{Ap\&SS} % Astrophysics and Space Science
\newcommand\araa{ARA\&A} % Annual Review of Astronomy and Astrophysics
\newcommand\arep{Astron. Rep.} % Astronomy Reports
\newcommand\aspc{ASP Conf. Ser.} % ASP Conference Series
\newcommand\azh{Azh} % Astronomicheskii Zhurnal
\newcommand\baas{BAAS} % Bulletin of the American Astronomical Society
\newcommand\bac{Bull. Astron. Inst. Czechoslovakia} % Bulletin of the Astronomical Institutes of Czechoslovakia
\newcommand\bain{Bull. Astron. Inst. Netherlands} % Bulletin Astronomical Institute of the Netherlands
\newcommand\caa{Chinese Astron. Astrophys.} % Chinese Astronomy and Astrophysics
\newcommand\cjaa{Chinese J.~Astron. Astrophys.} % Chinese Journal of Astronomy and Astrophysics
\newcommand\fcp{Fundamentals Cosmic Phys.} % Fundamentals of Cosmic Physics
\newcommand\gca{Geochimica Cosmochimica Acta} % Geochimica Cosmochimica Acta
\newcommand\grl{Geophys. Res. Lett.} % Geophysics Research Letters
\newcommand\iaucirc{IAU~Circ.} % IAU Cirulars
\newcommand\icarus{Icarus} % Icarus
\newcommand\japa{J.~Astrophys. Astron.} % Journal of Astrophysics and Astronomy
\newcommand\jcap{J.~Cosmology Astropart. Phys.} % Journal of Cosmology and Astroparticle Physics
\newcommand\jcp{J.~Chem.~Phys.} % Journal of Chemical Physics
\newcommand\jgr{J.~Geophys.~Res.} % Journal of Geophysics Research
\newcommand\jqsrt{J.~Quant. Spectrosc. Radiative Transfer} % Journal of Quantitiative Spectroscopy and Radiative Transfer
\newcommand\jrasc{J.~R.~Astron. Soc. Canada} % Journal of the RAS of Canada
\newcommand\memras{Mem.~RAS} % Memoirs of the RAS
\newcommand\memsai{Mem. Soc. Astron. Italiana} % Memoire della Societa Astronomica Italiana
\newcommand\mnassa{MNASSA} % Monthly Notes of the Astronomical Society of Southern Africa
\newcommand\mnras{MNRAS} % Monthly Notices of the Royal Astronomical Society
\newcommand\na{New~Astron.} % New Astronomy
\newcommand\nar{New~Astron.~Rev.} % New Astronomy Review
\newcommand\nat{Nature} % Nature
\newcommand\nphysa{Nuclear Phys.~A} % Nuclear Physics A
\newcommand\pra{Phys. Rev.~A} % Physical Review A: General Physics
\newcommand\prb{Phys. Rev.~B} % Physical Review B: Solid State
\newcommand\prc{Phys. Rev.~C} % Physical Review C
\newcommand\prd{Phys. Rev.~D} % Physical Review D
\newcommand\pre{Phys. Rev.~E} % Physical Review E
\newcommand\prl{Phys. Rev.~Lett.} % Physical Review Letters
\newcommand\pasa{Publ. Astron. Soc. Australia} % Publications of the Astronomical Society of Australia
\newcommand\pasp{PASP} % Publications of the Astronomical Society of the Pacific
\newcommand\pasj{PASJ} % Publications of the Astronomical Society of Japan
\newcommand\physrep{Phys.~Rep.} % Physics Reports
\newcommand\physscr{Phys.~Scr.} % Physica Scripta
\newcommand\planss{Planet. Space~Sci.} % Planetary Space Science
\newcommand\procspie{Proc.~SPIE} % Proceedings of the Society of Photo-Optical Instrumentation Engineers
\newcommand\rmxaa{Rev. Mex. Astron. Astrofis.} % Revista Mexicana de Astronomia y Astrofisica
\newcommand\qjras{QJRAS} % Quarterly Journal of the RAS
\newcommand\sci{Science} % Science
\newcommand\skytel{Sky \& Telesc.} % Sky and Telescope
\newcommand\solphys{Sol.~Phys.} % Solar Physics
\newcommand\sovast{Soviet~Ast.} % Soviet Astronomy (aka Astronomy Reports)
\newcommand\ssr{Space Sci. Rev.} % Space Science Reviews
\newcommand\zap{Z.~Astrophys.} % Zeitschrift fuer Astrophysik
%%%Command to produce a box around selected text
%%%NB This is for use in the file mnras_guide only -- it is NOT
%%% to be used in the journal
\newcommand{\boxit}[1]{%
\noindent\fbox{%
\begin{minipage}[]{84mm}#1\end{minipage}
}
}
%%%%%%%%%%%%%%%%%%%%% End of Extra Math / Symbol code %%%%%%%%%%%%%%%%%%%%%
% ****************************************
% * PAGE LAYOUT *
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%
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%
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%
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%
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% ****************************************
% * PARAGRAPHING *
% ****************************************
%
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% ****************************************
% * PARTS & SECTIONS NUMBERS *
% ****************************************
%
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\newcounter {subsubsection}[subsection]
\newcounter {paragraph}[subsubsection]
\newcounter {subparagraph}[paragraph]
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\def\thesection {\arabic{section}}
\def\thesubsection {\thesection.\arabic{subsection}}
\def\thesubsubsection {\thesubsection.\arabic{subsubsection}}
\def\theparagraph {\thesubsubsection.\arabic{paragraph}}
\def\thesubparagraph {\theparagraph.\arabic{subparagraph}}
%%%Additional material below is from GJI class file
% Sometimes people want to number equations by section, rather than
% sequentially through the whole paper.
% Removed - \numberwithin{equation}{section} already does this!
% ****************************************
% * PARTS *
% ****************************************
%
\def\part{\par \addvspace{4ex}\@afterindentfalse
\secdef\@part\@spart}
\def\@part[#1]#2{\ifnum \c@secnumdepth >\m@ne
\refstepcounter{part}
\addcontentsline{toc}{part}{Part \thepart: #1}
\else \addcontentsline{toc}{part}{#1}
\fi
{\parindent 0pt \raggedright
\ifnum \c@secnumdepth >\m@ne
\reset@font\large\rm PART
\ifcase\thepart \or ONE \or TWO \or THREE \or FOUR \or FIVE
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\par \nobreak
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\reset@font\LARGE \rm #2 \markboth{}{}\par }
\nobreak \vskip 3ex \@afterheading}
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\reset@font\LARGE \rm #1\par}
\nobreak \vskip 3ex \@afterheading}
% ****************************************
% * SECTIONS *
% ****************************************
%
% \@startsection modified to leave less space before \subsection
% if it immediately follows \section
% \@startsection {NAME}{LEVEL}{INDENT}{BEFORESKIP}{AFTERSKIP}{STYLE}
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\par \@tempskipa #4\relax
\@afterindenttrue
\ifnum #2=\@ne % if level=1 ie. section
\global\@levelonetrue
\else
\global\@levelonefalse
\fi
\ifdim \@tempskipa <\z@ \@tempskipa -\@tempskipa \@afterindentfalse\fi
\if@nobreak
\everypar{}\ifnum#2=2 \vskip 0pt plus1pt\fi % was 6pt
\else
\addpenalty{\@secpenalty}\addvspace{\@tempskipa}
\fi \@ifstar
{\@ssect{#3}{#4}{#5}{#6}}{\@dblarg{\@sect{#1}{#2}{#3}{#4}{#5}{#6}}}}
\def\SFB@hangraggedright{\rightskip=\@flushglue \let\\=\@centercr \parindent=0pt}
\newif\if@firstsection
\@firstsectiontrue
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\if@firstsection \fixfootnotes\@firstsectionfalse \fi%
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{-24pt plus -12pt minus -1pt}{6pt}
{\SFB@hangraggedright\reset@font\normalsize\bf}}
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{\SFB@hangraggedright\reset@font\normalsize\bf}}
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{-18pt plus -9pt minus -1pt}{6pt}
{\SFB@hangraggedright\reset@font\normalsize\it}}
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\def\subparagraph{\@startsection{subparagraph}{5}{\parindent}
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%
% \@sect{NAME}{LEVEL}{INDENT}{BEFORESKIP}{AFTERSKIP}{STYLE}[ARG1]{ARG2}
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\ifnum #2>\c@secnumdepth
\def\@svsec{}%
\else
\refstepcounter{#1}%
\if@levelone % is it a \section or \section*
\ifSFB@appendix
\edef\@svsec{}%
\else
\edef\@svsec{\csname the#1\endcsname\hskip 1em}%
\fi
\else
\edef\@svsec{\csname the#1\endcsname\hskip 1em}%
\fi
\fi
\@tempskipa #5\relax
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\if@levelone
\ifSFB@appendix
\@hangfrom{\hskip #3\relax\@svsec}{\interlinepenalty \@M
APPENDIX \csname the#1\endcsname:\hskip 0.5em\uppercase{#8}\par}%
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\@hangfrom{\hskip #3\relax\@svsec}{\interlinepenalty \@M
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\@hangfrom{\hskip #3\relax\@svsec}{\interlinepenalty \@M #8\par}%
\fi
\endgroup
\csname #1mark\endcsname{#7}%
\addcontentsline{toc}{#1}{\ifnum #2>\c@secnumdepth \else %ajw
\protect\numberline{\csname the#1\endcsname}\fi #7}%ajw
\else
\def\@svsechd{#6\hskip #3\@svsec \if@levelone \uppercase{#8}\else #8\fi
\csname #1mark\endcsname{#7}
\addcontentsline{toc}{#1}{\ifnum #2>\c@secnumdepth \else %ajw
\protect\numberline{\csname the#1\endcsname}\fi#7}%ajw
}\fi
\@xsect{#5}}
% from latex.tex
% \@ssect{INDENT}{BEFORESKIP}{AFTERSKIP}{STYLE}{ARG}
\def\@ssect#1#2#3#4#5{%
\@tempskipa #3\relax
\ifdim \@tempskipa>\z@
\begingroup #4\@hangfrom{\hskip #1}{%
\interlinepenalty \@M
\if@levelone
\uppercase{#5}%
\else {#5}%
\fi\par}%
\endgroup
\else
\def\@svsechd{#4\hskip #1\relax
\if@levelone
\uppercase{#5}%
\else {#5}%
\fi}
\fi
\@xsect{#3}%
}
\newif\ifSFB@appendix
\def\appendix{\par
\SFB@appendixtrue
\@addtoreset{equation}{section}
\@addtoreset{table}{section}
\@addtoreset{figure}{section}
\setcounter{section}{0}
\setcounter{equation}{0}
\setcounter{figure}{0}
\setcounter{table}{0}
\def\thesection{\Alph{section}}
\renewcommand\thesubsection{\thesection\arabic{subsection}}
\renewcommand\theequation{\thesection\arabic{equation}}
\renewcommand\thefigure{\thesection\@arabic\c@figure}
\renewcommand\thetable{\thesection\@arabic\c@table}
\renewcommand{\theHsection}{A\arabic{section}} % for hyperref links
}
% ****************************************
% * SKIPS *
% ****************************************
%
\newskip\@indentskip
\newskip\smallindent
\newskip\@footindent
\newskip\@leftskip
\@indentskip=18pt
\smallindent=1.5em
\@footindent=\smallindent
\@leftskip=\z@
% ****************************************
% * LISTS *
% ****************************************
%
\setlength\leftmargini{ \z@ }
\setlength\leftmarginii{ 1em }
\setlength\leftmarginiii{ 1em }
\setlength\leftmarginiv{ 1em }
\setlength\leftmarginv{ 1pc }
\setlength\leftmarginvi{ 1pc }
\setlength\leftmargin{\leftmargini}
\setlength\labelsep{ 0.5em}
\labelwidth\leftmargini\advance\labelwidth-\labelsep
%
% label macros for Range-Left and Range-Right labels
\def\makeRLlabel#1{\rlap{#1}\hss}
\def\makeRRlabel#1{\hss\llap{#1}}
\def\makenewlabel#1{#1}
%
\def\@listI{\leftmargin\leftmargini
\parsep \z@
\topsep 6pt plus 1pt minus 1pt
\itemsep \z@ plus .1pt
}
\let\@listi\@listI
\@listi
\def\@listii{\leftmargin\leftmarginii
\topsep 6pt plus 1pt minus 1pt
\parsep \z@
\itemsep \z@ plus .1pt
}
\def\@listiii{\leftmargin\leftmarginiii
\topsep 6pt plus 1pt minus 1pt
\parsep \z@
\partopsep \z@
\itemsep \topsep
}
\def\@listiv{\leftmargin\leftmarginiv
}
\def\@listv{\leftmargin\leftmarginv
\labelwidth\leftmarginv\advance\labelwidth-\labelsep
}
\def\@listvi{\leftmargin\leftmarginvi
\labelwidth\leftmarginvi\advance\labelwidth-\labelsep
}
%
% ITEMIZE
\def\itemize{%
\ifnum \@itemdepth >3 \@toodeep
\else \advance\@itemdepth \@ne
\edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
\list{\csname\@itemitem\endcsname}%
{\let\makelabel\makeRRlabel}%
\parindent 1em%
\leftmargin 3.5em\labelsep 0.5em\itemindent 2.0em\labelwidth 0.5em%
\fi}
\def\labelitemi{$\bullet$}
\def\labelitemii{--}
\def\labelitemiii{$\cdot$}
\def\labelitemiv{*}
%
% ENUMERATE
% SFB -- enumerate with optional argument to set left margin...
\def\enumerate{\ifnum \@enumdepth >3 \@toodeep \else
\advance\@enumdepth \@ne
\edef\@enumctr{enum\romannumeral\the\@enumdepth}%
\fi
\@ifnextchar [{\@enumeratetwo}{\@enumerateone}%
}
\def\@enumeratetwo[#1]{%
\list{\csname label\@enumctr\endcsname}%
{\settowidth\labelwidth{[#1]}
\leftmargin\z@
\listparindent 1em
\usecounter{\@enumctr}
\let\makelabel\makenewlabel}
}
\def\@enumerateone{%
\list{\csname label\@enumctr\endcsname}%
{\usecounter{\@enumctr}\itemindent 1em\listparindent 1em
\let\makelabel\makenewlabel}}
%
\def\labelenumi{\theenumi}
\def\theenumi{(\roman{enumi})}
\def\labelenumii{\theenumii}
\def\theenumii{(\alph{enumii})}
\def\p@enumii{\theenumi}
\def\labelenumiii{\theenumiii}
\def\theenumiii{(\arabic{enumiii})}
\def\p@enumiii{\theenumi(\theenumii)}
\def\labelenumiv{\theenumiv}
\def\theenumiv{(\Alph{enumiv})}
\def\p@enumiv{\p@enumiii\theenumiii}
%
% DESCRIPTION
\def\descriptionlabel#1{\reset@font\bf #1}
\def\description{\list{}{\labelwidth\z@
\leftmargin \z@
\itemindent 1em
}}
\let\enddescription\endlist
% ****************************************
% * DISPLAYED TEXT *
% ****************************************
%
% VERSE
\def\verse{\let\\=\@centercr
\list{}{\itemsep\z@
\itemindent -\@indentskip
\listparindent \itemindent
\rightmargin\leftmargin
\advance\leftmargin \@indentskip}\item[]}
\let\endverse\endlist
%
% QUOTATION
\def\quotation{\list{}{\listparindent \smallindent
% \itemindent\listparindent
\leftmargin\z@\rightmargin\leftmargin
\parsep 0pt plus 1pt}\item[]\reset@font\small}
\let\endquotation=\endlist
%
% QUOTE
\def\quote{\list{}{\leftmargin\z@\rightmargin\leftmargin}\item[]%
\reset@font\small}
\let\endquote=\endlist
%
% BSL QUOTE
\newenvironment{lquote}{\begin{list}{}%
{\setlength{\leftmargin}{2em}}
\item[]}
{\end{list}}
%
% ****************************************
% * OTHER ENVIRONMENTS *
% ****************************************
%
% THEOREM
\def\@begintheorem#1#2{\reset@font\rm \trivlist \item[\hskip \labelsep
{\reset@font\bf #1\ #2.}]}
\def\@opargbegintheorem#1#2#3{\reset@font\rm \trivlist
\item[\hskip \labelsep{\reset@font\bf #1\ #2.\ (#3)}]}
\def\@endtheorem{\endtrivlist}
%
% PROOF
\def\proof{\reset@font\rm \trivlist \item[\hskip \labelsep
{\reset@font\it Proof.}]}
\def\endproof{\hspace*{1em}{\begin{picture}(6.5,6.5)%
\put(0,0){\framebox(6.5,6.5){}}\end{picture}}\endtrivlist}
\@namedef{proof*}{\reset@font\rm \trivlist \item[\hskip \labelsep
{\reset@font\it Proof.}]}
\@namedef{endproof*}{\endtrivlist}
\def\proofbox{\begin{picture}(6.5,6.5)%
\put(0,0){\framebox(6.5,6.5){}}\end{picture}}
%
% TITLEPAGE
\def\titlepage{\@restonecolfalse\if@twocolumn\@restonecoltrue\onecolumn
\else \newpage \fi \thispagestyle{empty}\c@page\z@}
\def\endtitlepage{\if@restonecol\twocolumn \else \newpage \fi}
% ARRAY AND TABULAR
%
\arraycolsep 5pt
\tabcolsep 6pt
\arrayrulewidth .5pt
\doublerulesep 1.5pt