A program to crossmatch main progenitor galaxies across 13 snapshots from Illustris 1.
Enter a given index corresponding to 1 of 4310 galaxies available in the original (Illustris-1) release and the program will return all the available progenitor IDs for the given galaxy.
This way, all main progenitors can be found through Illustris' API.
Simply run the 'Illustris_Progenitor_Search' file. If this doesn't work, enter the following line into your terminal to make the file executable:
chmod +x Illustris_Progenitor_Search
Language: Python 3 Dependencies: h5py (https://github.com/h5py/h5py)