2 papers
astro-ph.GA2025
Caught in the Act of Quenching? -- A Population of Post-Starburst Ultra-Diffuse Galaxies
Loraine Sandoval Ascencio, M. C. Cooper, Dennis Zaritsky +3
We report the discovery of post-starburst ultra-diffuse galaxies (UDGs), identified through spectroscopic analysis with KCWI at the Keck II Telescope. Our analysis is based on a sa…
astro-ph.GA2025
A Closer Look at an Unusual Ultra-Diffuse Galaxy
Donghyeon J. Khim, Dennis Zaritsky, Loraine Sandoval Ascencio +2
We present a spectroscopic study of the ``Disco Ball'' (SMDG0038365-064207), a rotationally-supported, red-sequence, ultra-diffuse galaxy (UDG) with a nuclear star cluster (NSC), m…