GRB 990123 is a gamma-ray burst which was detected on January 23, 1999. It was the first GRB for which a simultaneous optical flash was detected. Astronomers...
5 KB (791 words) - 01:56, 9 August 2024
Gamma-ray burst (redirect from Long GRB)
gamma-rays. Early observations of the bright optical counterparts to GRB 990123 and to GRB 080319B, whose optical light curves were extrapolations of the gamma-ray...
119 KB (12,984 words) - 07:34, 2 November 2024
Compton Gamma Ray Observatory (section GRB 990123)
than this. Gamma ray burst 990123 (23 January 1999) was one of the brightest bursts recorded at the time, and was the first GRB with an optical afterglow...
21 KB (2,049 words) - 21:14, 28 July 2024
List of gamma-ray bursts (redirect from List of GRBs)
(1999). "GRB 990123". GCN Circulars. 7094: 1. Bibcode:1999IAUC.7094....1O. Bloom JS; et al. (2001). "The Redshift and the Ordinary Host Galaxy of GRB 970228"...
34 KB (2,077 words) - 22:08, 25 June 2024
of the burst was approximately 1054 ergs, placing it in second behind GRB 990123. Furthermore, the gamma-ray data also suggested that the burst was beamed...
5 KB (490 words) - 21:09, 6 October 2024
The first prompt optical burst from a GRB was discovered by ROTSE-I for GRB 990123. The ROTSE-III project involved four half-meter telescopes based on the...
20 KB (2,651 words) - 21:06, 6 August 2024
– 9 billion light-years – approximate distance to the gamma-ray burst GRB 990123 (light travel distance) 94.6 Ym – 10 billion light-years – approximate...
182 KB (17,348 words) - 12:24, 2 November 2024
Ferguson, DH; et al. (1999). "LOTIS Upper Limits and the Prompt OT from GRB 990123". AIP Conference Proceedings. 526: 250–254. arXiv:astro-ph/9912402. doi:10...
6 KB (814 words) - 02:55, 19 January 2024