The overlap between different zoom simulations in TNG-Cluster
Qin PENG
26 Jun
Hi Dylan,
I have found that there are some massive subhalos within the R200 of one zoom cluster but belong to another zoom simulations.
For example, the massive subhalos (M_sub >= 1e14 M_sun) whose subhalofindIDs are 277595, 7819936 at z=0. Their SubhaloOrigHaloIDs are 2, 416 respectively. They are both within the R200 of the zoom cluster whose GroupOrigHaloID is 97.
So how to determine the belongs of this kind of subhalos?
Thank you and best wishes.
Dylan Nelson
30 Jun
You should generally consider one zoom cluster at a time.
You can load the snapshot particles/cells, with the loadOriginalZoom function.
There is no similar function for group catalogs (i.e. subhalos), but the selection is fairly simple: just use the GroupOrigHaloID and SubhaloOrigHaloID fields to identify (only) those objects that are from a single zoom simulation.
Hi Dylan,
I have found that there are some massive subhalos within the R200 of one zoom cluster but belong to another zoom simulations.
For example, the massive subhalos (M_sub >= 1e14 M_sun) whose subhalofindIDs are 277595, 7819936 at z=0. Their SubhaloOrigHaloIDs are 2, 416 respectively. They are both within the R200 of the zoom cluster whose GroupOrigHaloID is 97.
So how to determine the belongs of this kind of subhalos?
Thank you and best wishes.
You should generally consider one zoom cluster at a time.
You can load the snapshot particles/cells, with the
loadOriginalZoomfunction.There is no similar function for group catalogs (i.e. subhalos), but the selection is fairly simple: just use the
GroupOrigHaloIDandSubhaloOrigHaloIDfields to identify (only) those objects that are from a single zoom simulation.OK. I see.