GW170814
GW170814 was a gravitational wave signal from two merging black holes, detected by the LIGO and Virgo observatories on 14 August 2017. On 27 September 2017, the LIGO and Virgo collaborations announced the observation of the signal, the fourth confirmed event after GW150914, GW151226 and GW170104. It was the first binary black hole merger detected by LIGO and Virgo together.
The signal of GW170814 measured by Hanford, Livingston and Virgo | |
| Right ascension | 3h 11m |
|---|---|
| Declination | −44° 57′ |
| Total energy output | ≈ 3 M☉ × c2 |
| Other designations | GW170814 |
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