TITLE: GCN CIRCULAR NUMBER: 25187 SUBJECT: LIGO/Virgo S1… Twetch · July 30, 2019 TITLE: GCN CIRCULARNUMBER: 25187SUBJECT: LIGO/Virgo S190728q: Identification of a GW compact binary merger candidateDATE: 19/07/28 08:47:18 GMTFROM: Sarah Antier at APC <antier@apc.in2p3.fr>