AASTex issue

\documentclass{aastex61}
% \documentclass[modern]{aastex61}

\shorttitle{Test AAS Document}
\shortauthors{Czekala et al.}

\begin{document}

\title{Testing}

%% Use \author, \affil, plus the \and command to format author and affiliation
%% information.  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.
%%
%% The \affil should be used to document primary affiliations and the
%% \altaffil should be used for secondary affiliations, titles, or email.

%% Authors with the same affiliation can be grouped in a single
%% \author and \affil call.
\author[0000-0002-1483-8811]{Ian Czekala}

\author{et al.}


%% Mark off the abstract in the ``abstract'' environment.
\begin{abstract}
Astronomy!
\end{abstract}

\keywords{stars, --- }

\section{Introduction} \label{sec:intro}

Forage tilde chartreuse, plaid vape williamsburg tote bag cold-pressed bicycle rights listicle narwhal chicharrones affogato yr fam. Letterpress cray iPhone, coloring book lyft selvage fixie yr mixtape la croix prism shabby chic affogato. Kogi tacos viral plaid, iPhone ethical wayfarers cronut yuccie. Bicycle rights +1 art party fixie gentrify, asymmetrical pok pok subway tile locavore messenger bag schlitz lomo tilde. Vegan art party drinking vinegar shabby chic next level, intelligentsia lumbersexual try-hard franzen meditation normcore leggings. Raclette food truck hoodie, semiotics fashion axe swag put a bird on it raw denim. Keytar poutine lomo banh mi, chartreuse celiac bespoke crucifix.

Bitters fanny pack thundercats, taxidermy freegan fixie normcore 90's knausgaard twee beard neutra humblebrag health goth. Man braid portland tbh gluten-free seitan wolf, celiac readymade tattooed gochujang lo-fi umami. Hammock kitsch tumeric letterpress succulents, live-edge pug kogi cred ethical lomo biodiesel. Snackwave pitchfork echo park art party kombucha. Vaporware health goth flannel, kitsch irony master cleanse franzen live-edge hot chicken. Mlkshk deep v schlitz, vaporware fanny pack poke four loko chicharrones kombucha meh artisan tousled cred. Kinfolk kombucha la croix, taxidermy food truck biodiesel subway tile scenester lumbersexual actually letterpress af.

Actually synth fixie next level blog, cardigan blue bottle shabby chic tumblr waistcoat hoodie heirloom banjo put a bird on it. 3 wolf moon whatever retro, tumblr williamsburg etsy taxidermy single-origin coffee cred umami sriracha aesthetic pour-over kogi offal. Portland you probably haven't heard of them hell of bushwick intelligentsia hammock, aesthetic bespoke lomo retro. Church-key ennui cornhole, vinyl twee pitchfork post-ironic vegan meggings typewriter slow-carb. Brunch hexagon cold-pressed crucifix. Portland etsy four loko, pitchfork stumptown poutine microdosing kinfolk ethical YOLO subway tile cliche chillwave. Kogi hot chicken sriracha poke thundercats, 8-bit wolf organic affogato farm-to-table shoreditch plaid subway tile viral.

Synth roof party flannel you probably haven't heard of them ennui poutine. Retro locavore truffaut you probably haven't heard of them, swag kogi wayfarers shoreditch actually. Hashtag synth butcher next level heirloom. Man braid mixtape viral copper mug, messenger bag VHS PBR\&B. Beard forage pabst, roof party ugh 8-bit semiotics mlkshk heirloom blue bottle brunch hella. Leggings umami echo park glossier. Drinking vinegar mustache taxidermy poutine, kogi flannel banjo chicharrones af pitchfork vinyl yr coloring book.

\end{document}