DESI Early Data Release Milky Way Survey Value-Added Catalogue

Sergey E. Koposov, C. Allende-Prieto,A. P. Cooper,T. S. Li,L. Beraldo e Silva, B. Kim, A. Carrillo,A. Dey,C. J. Manser, F. Nikakhtar, A. H. Riley, C. Rockosi, M. Valluri, J. Aguilar,S. Ahlen, S. Bailey, R. Blum,D. Brooks,T. Claybaugh,S. Cole,A. de la Macorra,B. Dey, J. E. Forero-Romero,E. Gaztañaga,J. Guy, A. Kremin,L. Le Guillou,Michael E. Levi,M. Manera,A. Meisner,R. Miquel, J. Moustakas,J. Nie,N. Palanque-Delabrouille,W. J. Percival,M. Rezaie,G. Rossi,E. Sanchez,E. F. Schlafly, M. Schubnell,G. Tarlé,B. A. Weaver, Z. Zhou

arxiv（2024）

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Abstract

We present the stellar value-added catalogue based on the Dark Energy Spectroscopic Instrument (DESI) Early Data Release. The catalogue contains radial velocity and stellar parameter measurements for ≃ 400,000 unique stars observed during commissioning and survey validation by DESI. These observations were made under conditions similar to the Milky Way Survey (MWS) currently carried out by DESI but also include multiple specially targeted fields, such as those containing well-studied dwarf galaxies and stellar streams. The majority of observed stars have 16More

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