GRB 180720B
Time: 14:21:44
Trigger Number: 848890
Burst Advocate: Mike Siegel
BAT Data:
| RA: a | 0.528 00:02:06.7 |
| Dec: a | -2.925 -02:55:30.0 |
| 90% Error Radius: b | 1.2 |
| T90: c | n/a |
| Fluence: d | 860 (10) |
| 1s Peak Photon Flux: e | 67.9 (2.6) |
| Photon Index: f | 1.36, PL (0.03) |
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)
XRT Data:
| RA: a | 00 02 06.86 |
| Dec: a | -02:55:08.1 |
| 90% Error Radius: b | 3.5 |
| Time to First Observation: c | 86.45 |
| Early Flux: d | 6590 |
| 11 Hour Flux: d | 5.7923635 |
| 24 Hour Flux: d | 2.24485415 |
| Initial Temporal Index: | -1.687 |
| Spectral Index (Gamma): | 1.8461 |
| Column Density (NH): e | 1.748702 |
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 | n/a |
| Dec: a | n/a |
| 90% Error Radius: b | n/a |
| Time to First Observation: c | n/a |
| V Magnitude: | n/a |
| Other Filter Magnitudes: | n/a |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.654 (VLT: absorption)Host Galaxy:
Other Observatory Detections:
Kanata (1.5m), LCO (2m), Zeiss-1000 (TSHAO), Fermi (LAT & GBM), MITSuME (50cm), OSN (T90), LCO (0.4m), MAXI/GSC, VLT, Murikabushi (1m), Konus-Wind, COATLI (50cm), ORI-22 (22 cm), REM (60cm), MASTER, Astronomical Institute Ondrejov (D50), KAIT, AMI-LA @ 15.5 GHz, OAJ (0.8m), NuSTAR, CALET (GBM), GMRT @ 1.4 GHz
Comments:
References:
BAT: GCN 22973; GCN 22975; GCN 22998
XRT: GCN 22973; GCN 22984; GCN 22986; Evans et al., 2009, MNRAS, 397, 1177
UVOT:
Radio: GCN 23037 (AMI-LA); GCN 23073 (GMRT)
Redshift: GCN 22996 (VLT)
Host:
Other: