Determining which halos are clusters

Jasmine Fitzsimons
  • 3h

Hello! I have written a code to extract which halos are categorized as clusters:

h = 0.6774
m200c_msun = halos["Group_M_Crit200"] * 1e10 / h

mask = m200c_msun > 1e14
cluster_IDs = np.where(mask)[0]

Am I utilizing Group_M_Crit200 correctly? Also I am using a mass threshold of 1e14 to categorize a cluster - is this common practice?

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