\usepackage{amsmath}


% Font stuff
\usepackage[T1]{fontenc}


% AASTeX6/emulateapj have overly conservative figure widths, I think because
% some people's figures don't have good margins. Override.
\pwifjournal\else
  \makeatletter
  \renewcommand\plotone[1]{%
    \centering \leavevmode \setlength{\plot@width}{0.99\linewidth}
    \includegraphics[width={\eps@scaling\plot@width}]{#1}%
  }%
  \makeatother
\fi


% AASTeX6/emulateapj also set this to zero for some reason. I'm tweaking this
% based on a table with no notes, etc.; maybe the space gets too big if you
% have them??
%%%\pwifjournal\else
%%%  \setlength{\belowdeluxetableskip}{10pt}
%%%\fi


% for \autoref: I prefer capitalizing and dropping the "subs"
\def\sectionautorefname{Section}
\def\subsectionautorefname{Section}
\def\subsubsectionautorefname{Section}
\newcommand\theappendix{the~\hyperref[appendix]{Appendix}}


% Evil magic to patch natbib to only highlight the year paper refs, not the
% authors too. From http://tex.stackexchange.com/questions/23227/.
\pwifjournal\else
  \usepackage{etoolbox}
  \makeatletter
  \patchcmd{\NAT@citex}
    {\@citea\NAT@hyper@{%
       \NAT@nmfmt{\NAT@nm}%
       \hyper@natlinkbreak{\NAT@aysep\NAT@spacechar}{\@citeb\@extra@b@citeb}%
       \NAT@date}}
    {\@citea\NAT@nmfmt{\NAT@nm}%
     \NAT@aysep\NAT@spacechar\NAT@hyper@{\NAT@date}}{}{}
  \patchcmd{\NAT@citex}
    {\@citea\NAT@hyper@{%
       \NAT@nmfmt{\NAT@nm}%
       \hyper@natlinkbreak{\NAT@spacechar\NAT@@open\if*#1*\else#1\NAT@spacechar\fi}%
         {\@citeb\@extra@b@citeb}%
       \NAT@date}}
    {\@citea\NAT@nmfmt{\NAT@nm}%
     \NAT@spacechar\NAT@@open\if*#1*\else#1\NAT@spacechar\fi\NAT@hyper@{\NAT@date}}
    {}{}
  \makeatother
\fi


% Bibliography
\usepackage{natbib}
\bibliographystyle{yahapj}
\renewcommand{\bibpreamble}{\RaggedRight}
\setlength{\bibsep}{0pt} % single-space
\def\bibfont{\small}


% Awesome object system
\makeatletter
\newcommand\pkgw@simpfx{http://simbad.u-strasbg.fr/simbad/sim-id?Ident=}
\newcommand\MakeObj[4][\@empty]{% [shortname]{ident}{url-escaped}{formalname}
  \pwifjournal%
    \expandafter\newcommand\csname pkgwobj@c@#2\endcsname[1]{\protect\object[#4]{##1}}%
  \else%
    \expandafter\newcommand\csname pkgwobj@c@#2\endcsname[1]{\href{\pkgw@simpfx #3}{##1}}%
  \fi%
  \expandafter\newcommand\csname pkgwobj@f#2\endcsname{#4}%
  \ifx\@empty#1%
    \expandafter\newcommand\csname pkgwobj@s#2\endcsname{#4}%
  \else%
    \expandafter\newcommand\csname pkgwobj@s#2\endcsname{#1}%
  \fi}%
\newcommand{\obj}[1]{%
  \expandafter\ifx\csname pkgwobj@c@#1\endcsname\relax%
    \textbf{[unknown object!]}%
  \else%
    \csname pkgwobj@c@#1\endcsname{\csname pkgwobj@s#1\endcsname}%
  \fi}
\newcommand{\objf}[1]{%
  \expandafter\ifx\csname pkgwobj@c@#1\endcsname\relax%
    \textbf{[unknown object!]}%
  \else%
    \csname pkgwobj@c@#1\endcsname{\csname pkgwobj@f#1\endcsname}%
  \fi}
\makeatother


% Objects
\MakeObj[WISE~1122$+$25]{1122+25}{WISEP\%20J112254.73\%2b255021.5}{WISEP~J112254.73$+$255021.5}
\MakeObj{phasecal}{NVSS\%20J112555\%2b260630}{NVSS~J112555$+$260630}
\MakeObj{3c286}{3C\%20286}{3C~286}
\MakeObj{lhs302}{LHS\%20302}{LHS~302}
\MakeObj[2M~1047$+$21]{1047+21}{2MASSI\%20J1047539\%2b212423}{2MASSI~J1047539$+$212423}
\MakeObj{n33370}{NLTT\%2033370}{NLTT~33370~AB}
\MakeObj{n33370b}{NLTT\%2033370}{NLTT~33370~B}
\MakeObj{1048-39}{DENIS\%20J1048.0-3956}{DENIS~J1048.0$-$3956}
\MakeObj{1237+65}{2MASS\%20J12373919\%2b6526148}{2MASS~J12373919$+$6526148}
\MakeObj{0746+20}{2MASSW\%20J0746425\%2b200032}{2MASSW~J0746425$+$200032}
\MakeObj{1835+32}{LSR\%20J1835\%2b3259}{LSR~J1835$+$3259}
\MakeObj{tvlm513}{TVLM\%20513-46546}{TVLM~513--46546}
\MakeObj{0036+18}{2MASS\%20J00361617\%2b1821104}{2MASS~J00361617$+$1821104}

% Standard macros
\newcommand\apx{\ensuremath{\sim}}
\newcommand\citeeg[1]{\citep[\emph{e.g.},][]{#1}}
\renewcommand\deg{\ensuremath{^\circ}}
\newcommand\dt{\ensuremath{{\Delta t}}}
\newcommand\eg{\emph{e.g.}}
\newcommand\etal{\emph{et~al.}}
\newcommand\ha{\ensuremath{\text{H}\alpha}}
\newcommand\ie{\emph{i.e.}}
\newcommand\kms{km~s$^{-1}$}
\newcommand\lbol{\ensuremath{\text{L}_\text{bol}}}
\newcommand\lnura{\ensuremath{\langle\text{L}_{\nu,\text{R}}\rangle}}
\newcommand\lsun{\ensuremath{\text{L}_\odot}}
\newcommand\rjup{\ensuremath{\text{R}_\text{J}}}
\newcommand\tb{\ensuremath{T_b}}
\newcommand\todo[1]{\textcolor{red}{#1}}
\newcommand\ujy{$\mu$Jy}
\newcommand\ujybm{$\mu$Jy~bm$^{-1}$}