LIGO Detects Gravitational Waves for Third TimeThe newfound...

LIGO Detects Gravitational Waves for Third Time

The newfound black hole has a final mass about 49 times that of our sun. This fills in a gap between the masses of the two merged black holes detected previously by LIGO, with solar masses of 62 (first detection) and 21 (second detection).

From the Now@Caltech press release

See also:

• Physics Synopsis: LIGO Picks Up on the Third Ring
  
• Physical Review Letters: GW170104: Observation of a 50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2 (PDF)
  
• High-Resolution Visuals
  
• LIGO Laboratory Website