Review
Nov 2026
DESI DR2 Results III: The Mass of the Milky Way
We present measurements of the mass of the Milky Way using distant halo stars selected from the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2). We apply four dynamical modeling methods to 10,036 RR Lyrae (RRL) and blue horizontal branch (BHB) stars with 6D phase space coordinates that span from $\sim$...
Desi Collaboration C. Aganze, J. Aguilar, S. Ahlen et al.
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