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Andrew Wetzel edited summary_discussion.tex
about 9 years ago
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\section{Discussion}
Words. The trend at high mass may arise because of the intrinsic dependence of gas fraction on galaxy mass, such that more massive satellites have less gas when they fall in and thus exhaust it more quickly. Conversely, at M_star < 1e9 M_sun, almost all isolated galaxies have enough gas to fuel star formation for a Hubble time, so the trend there arises below lower-mass dwarfs have increasingly shallower potential wells, making the combination of internal feedback + environmental stripping more efficient at lower masses. So ~LMC mass hits the sweet spot between these effects. Again, speculation.
Our analysis here represents a first-pass statistical argument, and our subsequent project would be a much more rigorous satellite-by-satellite version.
