Our #GW190521 detection was more of a "bang" (or a low frequency "blip") than a "chirp" as the signal was "audible" in our detectors for such a short time. Check out this sound file which recreates the signal from our best-matching waveform https://t.co/wbc5X0vExI pic.twitter.com/c0POKBolgV

— LIGO (@LIGO) September 2, 2020