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astro-ph.GA2021
Variable Stars in the giant satellite galaxy Antlia 2
Kathy Vivas, Clara Martínez-Vázquez, Alistair Walker +3
We report 350 pulsating variable stars found in four DECam fields ( sq. deg.) covering the Antlia 2 satellite galaxy. The sample of variables includes 318 RR Lyrae stars a…
astro-ph.HE2021
SOAR/Goodman Spectroscopic Assessment of Candidate Counterparts of the LIGO-Virgo Event GW190814
Douglas Tucker, Matthew Wiesner, Sahar Allam +140
On 2019 August 14 at 21:10:39 UTC, the LIGO/Virgo Collaboration (LVC) detected a possible neutron star-black hole merger (NSBH), the first ever identified. An extensive search for…