Extracting subhalo IDs from Halo ID

Jasmine Fitzsimons

Hello! I have written two blocks of code that extracts the BCG ID from the Halo ID, and another bloc of code that extracts the subhalo IDs within a given halo. I am not sure I completely understand what I did and if I am utilizing GroupFirstSub properly. Any feedback would be greatly appreciated!
Screenshot 2026-02-12 at 9.27.12 PM.png

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