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Andrew Wetzel edited figures/qu.time_v_m.star_sat.first.t/caption.tex
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\label{fig:quench_times}
Environmental quenching timescales of satellite galaxies
versus stellar mass, $\mstar$, across the observable
range. range of stellar mass, $\mstar$.
Top axis shows the
satellite subhalo's $\mpeak$
based on from abundance matching.
Blue circles show times for satellites of the
Milky Way (MW) MW and M31, obtained by matching the observed quiescent fractions in 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, thus including the (potential) effects of group preprocessing.
Satellites Some satellites at
$\mstar < 10 ^ 5 \msun$ $\mstar<10^5\msun$ (light blue) may have been quenched prior to
virial infall via reionization, so
interpret their timescale
should be interpreted with care.
Gray triangle shows lower limit for the Large and Small Magellanic Clouds using their
virial-infall infall time from their measured proper motion \citep{Kallivayalil2013}.
Red squares show the timescale inferred for satellites with
$\mstar = 10 ^ {8.5 - 9.5} \msun$ around MW-like hosts $\mstar=10^{8.5}$, $10^{9.5}\msun$ in SDSS \citep{Wheeler2014}, and green curve
show shows timescales inferred for more massive satellites in groups of
$\mvir = 10 ^ {12 - 13}$ from $\mvir=10^{12-13}$ in SDSS \citep{Wetzel2013}.
The
satellites satellite dwarfs in the Local Group quenched much more rapidly after
falling into the MW/M31 halo infall than more massive
satellites around other hosts. satellites, with the environmental quenching timescale peaking near Magellanic-Cloud-mass satellites.