GRB 100621A was a gamma-ray burst observed on June 21, 2010, by the Swift spacecraft.[1][2] It is the second brightest gamma-ray burst yet observed, after GRB 130427A.[3] The distance is reported to be approximately five billion light years, far outside our own Milky Way Galaxy.
Event type | Gamma-ray burst |
---|---|
Constellation | Indus |
Right ascension | 21h 01m 13.12s |
Declination | −51° 06′ 22.5″ |
Other designations | GRB 100621A |