Keck spectroscopy of the coma cluster ultra-diffuse galaxy Y358: dynamical mass in a wider context
We examine ultra-diffuse galaxies (UDGs) and their relation to non-UDGs in mass-radius-luminosity space. We begin by publishing Keck/KCWI spectroscopy for the Coma cluster UDG Y358, for which we measure both a recessional velocity and velocity dispersion. Our recessional velocity confirms association with the Coma cluster and Y358's status as a UDG
Gannon, Jonah S. et al.
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2023