SCOTCH Catalogue and Associated Data Files

The Simulated Catalogue of Optical Transients and Correlated Hosts (SCOTCH)

This is a static data release for SCOTCH, a catalogue containing 5 million explosive transients and the properties of their realistically-associated host galaxies. The catalogue consists of 13 transient classes: 3 SN Ia classes (Ia, Iax, Ia 91bg-like), 2 H-rich core-collapse classes (II, IIn), 5 H-poor classes (Ib, Ic, Ic-BL, IIb, SLSN-I), and 3 non-SN classes (AGN, KN, TDE). The parameters available for each transient and host galaxy pair are outlined in SCOTCH_schema.md.

Details on the methodology used to construct these data can be found in Lokken, Gagliano, et al. (2023) and the associated repo for this work is located at https://github.com/LSSTDESC/transient-host-sims. This data release consists of three types of files:

SCOTCH Catalogues (scotch_z3.hdf5, scotch_zlim.hdf5):

scotch_Z3.hdf5: This is a catalogue of 5M transients and host properties for 13 transient classes within \(0