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astro-ph2001
Mass/Light Variations with Environment
R. Brent Tully
In the local part of the universe, a majority of the total mass is in only a small number of groups with short dynamical times. The Virgo Cluster dominates far out of proportion to…
astro-ph2001
Faint End of the Galaxy Luminosity Function: A Chronometer for Structure Formation?
R. Brent Tully
There is accumulating evidence that the faint end of the galaxy luminosity function might be very different in different locations. The luminosity function might be sharply rising…