Observations of M31 by DESI survey

This is collection of data associated with the paper "DESI Observations of the Andromeda Galaxy: Revealing the Immigration History of our Nearest Neighbor” by Dey, Najita, Koposov, et al. 2022 The collection consists of 4 files: DESI_M31_MEASUREMENT_CATALOG.fits which contains measurements by DESI of the M31 objects (as described in the paper) FigureFiles.zip contains information necessary to reproduce the figures in the paper simulation.zip contains the snapshots of the numerical N-body simulation of a disrupting satellite presented in the paper TargetFiles.zip contains information on original target lists of objects of different types prepared for DESI observations.