[yt-users] halo mass function question

[Stephen Skory]

Robert,

> If you still want to try to make a Halo Mass Function (HMF), you  can use the 
> output of the halo finder directly in the HMF module. You'll use  the output of 
>
> the halo finder ("HopAnalysis.out") and you'll specify the  column of that file 
>
> that contains the mass (2nd, or "1" in Python  enumeration).


I should add that this is inferior to doing the whole process to calculate the 
full virial mass. Also, the total mass calculated by the halo finders does not 
include contributions from stars or gas, which may be significant. If you're 
just learning the tools, skipping the halo profiler is OK.

 _______________________________________________________
sskory at physics.ucsd.edu o__ Stephen Skory
http://physics.ucsd.edu/~sskory/ _.>/ _Graduate Student
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