From Twitter https://twitter.com/: We are happy to announce the detection of #GW170608, #GravitationalWaves from a 19-solar-mass binary #BlackHole coalescence! https://t.co/uLA3cHjIQj https://twitter.com/LIGO/status/930968809208459264/photo/1 https://chirp.cooleysekula.net/attachment/43030