Andrew Wetzel edited figures/qu.time_v_m.star_sat.first.t/caption.tex  about 9 years ago

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\label{fig:quench_times}  Environmental quenching timescales of satellite galaxies across the observable range of stellar mass, $\mstar$.  Blue circles show times for satellites of the Milky Way (MW) and M31, obtained by matching the observed quiescent fractions in \fig{quiescent_fraction} Figure~\ref{fig:quiescent_fraction}  to the virial-infall times of satellites from the ELVIS simulations \citep{Wetzel2015} in bins of $\mstar$. Left panel shows time since first infall into the current MW/M31 halos, while right panel shows time since first infall into \emph{any} host halo, that is, including the (potential) effects of group preprocessing.  Satellites at $\star < 10 ^ 5 \msun$ (light blue) may have been quenched prior to virial infall via reionization, so their timescale should be interpreted with care.  Gray triangle shows lower limit for the Large and Small Magellanic Clouds using their virial-infall time from their measured proper motion \citep{Kallivayalil2013}.