A late Easter treat: a new #GravitationalWave candidate #S190421ar!
If real, it is probably a binary black hole merger
It's false alarm rate is OK, probably good enough (we'll see)
Rating: 🐘🍦https://t.co/yFBIvrsvyr pic.twitter.com/t3sb4ppXuX

— Christopher Berry (@cplberry) April 22, 2019