23 Nov
2009
23 Nov
'09
8:50 p.m.
Hi, I am generating Halos using HOP (via yt). I see that the default overdensity is 160. I guess it means 160 particles per cell. But isn't cell size a function of the simulation box volume and the grid ? For example, if Box=200Mpc and Ngrid=512^3, then cell=(0.390625 Mpc)^3 Isn't 0.390625 Mpc too big for a galaxy ? What is the calculation behind 160 ? shankar KU Cosmology
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Agarwal, Shankar -
Cameron Hummels -
Matthew Turk -
Stephen Skory