% ** Natalia@woodstock - 27/Jan/2006
% ** Some useful TeX definitions for my Master's dissertation.

\ProvidesPackage{nadefinitions}
\usepackage{xspace}

% ********************* Andre's Definitions ************************
\def\starlight{\textit{STARLIGHT}\xspace}                %Starlight%
\def\SDSS{\textit{SDSS}\xspace}           %Sloan Digital Sky Survey%
\def\galex{\textit{GALEX}\xspace}
\def\citneed{\textsuperscript{\bf [citation needed]}\xspace}
\def\fixme{\textsuperscript{\bf [FIXME]}\xspace}
%*******************************************************************


% **************************** Ions ********************************
\newcommand{\Ha}{\ifmmode {\rm H}\alpha \else H$\alpha$\fi\xspace}
\newcommand{\Hb}{\ifmmode {\rm H}\beta \else H$\beta$\fi\xspace}
\newcommand{\Hg}{\ifmmode {\rm H}\gamma \else H$\gamma$\fi}
\newcommand{\Hd}{\ifmmode {\rm H}\delta \else H$\delta$\fi}
\newcommand{\Heps}{\ifmmode {\rm H}\epsilon \else H$\epsilon$\fi}
\newcommand{\hi}{H~{\sc i}\xspace}
\newcommand{\hii}{H~{\sc ii}\xspace}
\newcommand{\Hi}{H~{\sc i}\xspace}
\newcommand{\Hii}{\ifmmode \rm{H}\,\textsc{ii} \else H~{\sc ii}\fi}
\newcommand{\Nii}{[N~{\sc ii}]$\lambda$6584}
\newcommand{\nii}{\ifmmode [\rm{N}\,\textsc{ii}] \else [N~{\sc ii}]\fi}
\newcommand{\ionni}{\ifmmode [\rm{N}\,\textsc{i}] \else [N~{\sc i}]\fi}
\newcommand{\Oi}{[O~{\sc i}]$\lambda$6300}
\newcommand{\oi}{\ifmmode [\rm{O}\,\textsc{i}] \else [O~{\sc i}]\fi}
\newcommand{\Oii}{[O~{\sc ii}]$\lambda$3727}
\newcommand{\neiii}{\ifmmode [\rm{Ne}\,\textsc{iii}] \else [Ne~{\sc iii}]\fi}
\newcommand{\nev}{\ifmmode [\rm{Ne}\,\textsc{v}] \else [Ne~{\sc v}]\fi}
\newcommand{\hei}{\ifmmode [\rm{He}\,\textsc{i}] \else [He~{\sc i}]\fi}
\newcommand{\Hei}{\ifmmode \rm{He}\,\textsc{i} \else He~{\sc i}\fi}
\newcommand{\heii}{\ifmmode [\rm{He}\,\textsc{ii}] \else [He~{\sc ii}]\fi}
\newcommand{\Heii}{\ifmmode \rm{He}\,\textsc{ii} \else He~{\sc ii}\fi}
\newcommand{\oii}{\ifmmode [\rm{O}\,\textsc{ii}] \else [O~{\sc ii}]\fi}
\newcommand{\Oiii}{[O~{\sc iii}]$\lambda$5007}
\newcommand{\Oiiit}{[O~{\sc iii}]$\lambda$4363}
\newcommand{\oiii}{\ifmmode [\rm{O}\,\textsc{iii}] \else [O~{\sc iii}]\fi}
\newcommand{\Sii}{[S~{\sc ii}]$\lambda\lambda$6716,6731}
\newcommand{\sii}{\ifmmode [\rm{S}\,\textsc{ii}] \else [S~{\sc ii}]\fi}
\newcommand{\siii}{\ifmmode [\rm{S}\,\textsc{iii}] \else [S~{\sc iii}]\fi}
\newcommand{\feii}{\ifmmode [\rm{Fe}\,\textsc{ii}] \else [Fe~{\sc ii}]\fi}
\newcommand{\feiii}{\ifmmode [\rm{Fe}\,\textsc{iii}] \else [Fe~{\sc iii}]\fi}
\newcommand{\fevii}{\ifmmode [\rm{Fe}\,\textsc{vii}] \else [Fe~{\sc vii}]\fi}
\newcommand{\ariii}{\ifmmode [\rm{Ar}\,\textsc{iii}] \else [Ar~{\sc iii}]\fi}
\newcommand{\ariv}{\ifmmode [\rm{Ar}\,\textsc{iv}] \else [Ar~{\sc iv}]\fi}
\newcommand{\cliii}{\ifmmode [\rm{Cl}\,\textsc{iii}] \else [Cl~{\sc iii}]\fi}
%*******************************************************************


% I guess these are Cid's definitions. I have found them in Luis'
% masters thesis. Some of them are rather useful.
% ********************* CID'S DEFINITIONS **************************
\def\ni{\noindent}                                       %No indent%
\def\ls{\vskip 12.045pt}                            %One Line space%
\def\halfls{\vskip 6pt}                             %1/2 Line space%
\def\et{et\thinspace al.\ }                                 %et al.%

\def\gapprox{$_>\atop{^\sim}$}     %Greater than over approximately%
\def\lapprox{$_<\atop{^\sim}$}        %Less than over approximately%

\def\kms{km\thinspace s$^{-1}$}                        %km per sec1%
\def\ergsec{ergs\thinspace s$^{-1}$}                  %ergs per sec%
\def\msun{M$_{\odot}$}                                  %Solar mass%
\def\cms{{\rm cm\thinspace s}$^{-1}$}                   %cm per sec%
\def\percc{cm$^{-3}$}                         %per cubic centimeter%
\def\peryr{yr$^{-1}$}                                     %per year%
\def\perday{day$^{-1}$}                                    %per day%
\def\persec{s$^{-1}$}                                   %per second%

\def\Ha{H$\alpha$}                                         %H alpha%
\def\Hb{H$\beta$}                                           %H beta%

\def\etal{et\thinspace al.\ }                               %et al.%

\def\el{e$^-$}                                            %electron%
\def\nc{{\it nc}}                 %contraction for narrow component%
\def\bc{{\it bc}}                  %contraction for broad component%

\def\EW{{\rm EW}}                          %math's Equivalent Width%
\def\FWHM{{\rm FWHM}}            %math's Full Width at Half Maximum%
\def\PSD{{\rm PSD}}             %math's Power Spectral Distribution%
\def\ACF{{\rm ACF}}               %math's Auto Correlation Function%
\def\SF{{\rm SF}}                        %math's Structure Function%

\def\beq{\begin{equation}}                          %begin equation%
\def\eeq{\end{equation}}                              %end equation%
\def\beqa{\begin{eqnarray}}                         %begin eqnarray%
\def\eeqa{\end{eqnarray}}                             %end eqnarray%
\def\beqan{\begin{eqnarray*}}                      %begin eqnarray*%
\def\eeqan{\end{eqnarray*}}                          %end eqnarray*%
\def\nn{\nonumber}                          %no number in eqnarrays%

\newcommand{\dd}[2]{\frac {d {#1}}{d {#2}}}          % Derivatives %
\newcommand{\ddd}[2]{\frac {d {\left( {#1} \right)}}{d {#2}}}
\newcommand{\dpa}[2]{\frac {\partial {#1}}{\partial {#2}}}

\newcommand{\E}[1]{\,10^{#1}}                         %power of ten%
\newcommand{\ET}[1]{\times 10^{#1}}             %times power of ten%

\newcommand{\ov}[1]{\overline{#1}}                        %overline%
\newcommand{\zb}[1]{\left[ {#1} \right]}           %square brackets%
\newcommand{\zk}[1]{\left\{ {#1} \right\}}                    %keys%
\newcommand{\zp}[1]{\left( {#1} \right)}               %parentheses%

\def\ojo{\fbox{\bf !$\odot$j$\odot$!}}      %Olho! Needs Correction%

% Next 5 lines define \simless and \simgreat: "less than or approximately
% equal to" and "greater than or approximately equal to".
\newbox\grsign \setbox\grsign=\hbox{$>$} \newdimen\grdimen \grdimen=\ht\grsign
\newbox\simlessbox \newbox\simgreatbox
\setbox\simgreatbox=\hbox{\raise.5ex\hbox{$>$}\llap
     {\lower.5ex\hbox{$\sim$}}}\ht1=\grdimen\dp1=0pt
\setbox\simlessbox=\hbox{\raise.5ex\hbox{$<$}\llap
     {\lower.5ex\hbox{$\sim$}}}\ht2=\grdimen\dp2=0pt
\def\simgreat{\mathrel{\copy\simgreatbox}}
\def\simless{\mathrel{\copy\simlessbox}}
%*******************************************************************

% Journals - from AASTex
% Natalia@UFSC - 16/Nov/2005
\def\aj{AJ}%
          % Astronomical Journal
\def\actaa{Acta Astron.}%
          % Acta Astronomica
\def\araa{ARA\&A}%
          % Annual Review of Astron and Astrophys
\def\apj{ApJ}%
          % Astrophysical Journal
\def\apjl{ApJ}%
          % Astrophysical Journal, Letters
\def\apjs{ApJS}%
          % Astrophysical Journal, Supplement
\def\ao{Appl.~Opt.}%
          % Applied Optics
\def\apss{Ap\&SS}%
          % Astrophysics and Space Science
\def\aap{A\&A}%
          % Astronomy and Astrophysics
\def\aapr{A\&A~Rev.}%
          % Astronomy and Astrophysics Reviews
\def\aaps{A\&AS}%
          % Astronomy and Astrophysics, Supplement
\def\azh{AZh}%
          % Astronomicheskii Zhurnal
\def\baas{BAAS}%
          % Bulletin of the AAS
\def\caa{Chinese Astron. Astrophys.}%
          % Chinese Astronomy and Astrophysics
\def\cjaa{Chinese J. Astron. Astrophys.}%
          % Chinese Journal of Astronomy and Astrophysics
\def\icarus{Icarus}%
          % Icarus
\def\jcap{J. Cosmology Astropart. Phys.}%
          % Journal of Cosmology and Astroparticle Physics
\def\jrasc{JRASC}%
          % Journal of the RAS of Canada
\def\memras{MmRAS}%
          % Memoirs of the RAS
\def\mnras{MNRAS}%
          % Monthly Notices of the RAS
\def\na{New A}%
          % New Astronomy
\def\nar{New A Rev.}%
          % New Astronomy Review
\def\pra{Phys.~Rev.~A}%
          % Physical Review A: General Physics
\def\prb{Phys.~Rev.~B}%
          % Physical Review B: Solid State
\def\prc{Phys.~Rev.~C}%
          % Physical Review C
\def\prd{Phys.~Rev.~D}%
          % Physical Review D
\def\pre{Phys.~Rev.~E}%
          % Physical Review E
\def\prl{Phys.~Rev.~Lett.}%
          % Physical Review Letters
\def\pasa{PASA}%
          % Publications of the Astron. Soc. of Australia
\def\pasp{PASP}%
          % Publications of the ASP
\def\pasj{PASJ}%
          % Publications of the ASJ
\def\qjras{QJRAS}%
          % Quarterly Journal of the RAS
\def\rmxaa{Rev. Mexicana Astron. Astrofis.}%
          % Revista Mexicana de Astronomia y Astrofisica
\def\skytel{S\&T}%
          % Sky and Telescope
\def\solphys{Sol.~Phys.}%
          % Solar Physics
\def\sovast{Soviet~Ast.}%
          % Soviet Astronomy
\def\ssr{Space~Sci.~Rev.}%
          % Space Science Reviews
\def\zap{ZAp}%
          % Zeitschrift fuer Astrophysik
\def\nat{Nature}%
          % Nature
\def\iaucirc{IAU~Circ.}%
          % IAU Cirulars
\def\aplett{Astrophys.~Lett.}%
          % Astrophysics Letters and Communications
\def\apspr{Astrophys.~Space~Phys.~Res.}%
          % Astrophysics Space Physics Research
\def\bain{Bull.~Astron.~Inst.~Netherlands}%
          % Bulletin Astronomical Institute of the Netherlands
\def\fcp{Fund.~Cosmic~Phys.}%
          % Fundamental Cosmic Physics
\def\gca{Geochim.~Cosmochim.~Acta}%
          % Geochimica Cosmochimica Acta
\def\grl{Geophys.~Res.~Lett.}%
          % Geophysics Research Letters
\def\jcp{J.~Chem.~Phys.}%
          % Journal of Chemical Physics
\def\jgr{J.~Geophys.~Res.}%
          % Journal of Geophysical Research
\def\jqsrt{J.~Quant.~Spec.~Radiat.~Transf.}%
          % Journal of Quantitiative Spectroscopy and Radiative Trasfer
\def\memsai{Mem.~Soc.~Astron.~Italiana}%
          % Mem. Societa Astronomica Italiana
\def\nphysa{Nucl.~Phys.~A}%
          % Nuclear Physics A
\def\physrep{Phys.~Rep.}%
          % Physics Reports
\def\physscr{Phys.~Scr}%
          % Physica Scripta
\def\planss{Planet.~Space~Sci.}%
          % Planetary Space Science
\def\procspie{Proc.~SPIE}%
          % Proceedings of the SPIE