deletions | additions       diff --git a/abstract.tex b/abstract.tex  index e87543e..2f22532 100644  --- a/abstract.tex  +++ b/abstract.tex 
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This near dichotomy implies that environmental processes within the halos of the MW and M31 \emph{rapidly} remove gas and quench star formation in satellite dwarfs after infall.  We combine the observed quiescent fractions for satellites of the MW/M31 with the virial-infall times of satellites in the ELVIS suite of cosmological simulations of MW/M31-like halos to determine the typical timescales over which environmental processes quench satellite dwarf galaxies.  The quenching timescales at $\mstar<10^8\msun$ are short, $<2-3\gyr$, depending somewhat on whether environmental preprocessing in lower-mass groups is important, and are comparable to a virial-radius crossing time.  We compare with timescales for more massive satellites from the literature, which implies that environmental quenching timescale increases rapidly with satellite mass to $\approx9.5\gyr$ at $\mstar\approx 10^9\msun$, $\mstar\approx10^9\msun$,  but it then rapidly decreases with mass to $<5\gyr$ less than $5\gyr$  at $\mstar>5\times 10^9\msun$. Thus, satellites with masses similar to the Magellanic Clouds exhibit the longest environmental quenching timescales.