GRB 151021A
Time: 01:29:12
Trigger Number: 660671
Burst Advocate: Andrea Melandri
BAT Data:
| RA: a | 337.647 22:30:35.3 |
| Dec: a | -33.189 -33:11:20.4 |
| 90% Error Radius: b | 1.0 |
| T90: c | 110.2 |
| Fluence: d | 280 (10) |
| 1s Peak Photon Flux: e | 9.7 (0.8) |
| Photon Index: f | 1.57, PL (0.04) |
90% error in parentheses,
a J2000;
b arcmin;
c seconds;
d 10-7 erg/cm2 (15-150 keV);
e ph/cm2/sec (15-150 keV);
f PL = simple power-law, CPL = cutoff power-law (15-150 keV)
BAT Light Curve:
XRT Data:
| RA: a | 22:30:34.43 |
| Dec: a | -33:11:50.3 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 90.71 |
| Early Flux: d | 2760 |
| 11 Hour Flux: d | 0.181048755 |
| 24 Hour Flux: d | 0.06177846 |
| Initial Temporal Index: | -3.347 |
| Spectral Index (Gamma): | 1.96079 |
| Column Density (NH): e | 21.701 |
Note: Please be aware that only the very basic temporal and spectral quantities are reported here. You are strongly encouraged to see the referenced GCN circulars for full details.
a J2000;
b arcsec;
c seconds;
d 10-11 erg/cm2/s (0.3-10 keV);
e 1021 cm-2
» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra
UVOT Data:
| RA: a | 22:30:34.43 |
| Dec: a | -33:11:50.3 |
| 90% Error Radius: b | 0.42 |
| Time to First Observation: c | 99 |
| V Magnitude: | V=15.82 |
| Other Filter Magnitudes: | B>20.19 U>19.77 UVW1>19.53 UVM2>19.64 UVW2>19.97 White=16.89 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:2.330 (VLT: absorption)Host Galaxy:
Other Observatory Detections:
VLT, MASTER II, Konus-Wind, PROMPT (16")
Comments:
References:
BAT: GCN 18425; GCN 18429
XRT: GCN 18425; GCN 18428; GCN 18430; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 18425; GCN 18432
Radio:
Redshift: GCN 18426 (VLT)
Host:
Other: