GRB 191221B
Time: 20:39:13
Trigger Number: 945521
Burst Advocate: Sibasish Laha
BAT Data:
| RA: a | 154.831 10:19:19.4 |
| Dec: a | -38.152 -38:09:07.2 |
| 90% Error Radius: b | 1.1 |
| T90: c | 48.00 |
| Fluence: d | 190 (10) |
| 1s Peak Photon Flux: e | 4.8 (0.7) |
| Photon Index: f | 1.24, PL (0.05) |
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 | 10:19:19.17 |
| Dec: a | -38:09:27.4 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 86.25 |
| Early Flux: d | 972 |
| 11 Hour Flux: d | 0.69073754 |
| 24 Hour Flux: d | 0.164183983 |
| Initial Temporal Index: | -1.395 |
| Spectral Index (Gamma): | 1.843 |
| Column Density (NH): e | 0.0000213061 |
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 | 10:19:19.24 |
| Dec: a | -38:09:27.64 |
| 90% Error Radius: b | 0.42 |
| Time to First Observation: c | 92 |
| V Magnitude: | V=13.42 |
| Other Filter Magnitudes: | U=13.54 B=13.20 UVW1=12.82 UVM2=12.79 UVW2=13.20 White=12.30 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.19 (UVOT), 1.148 (VLT: absorption)Host Galaxy:
Other Observatory Detections:
MASTER, AGILE/MCAL, VIRT (0.5m), VLT, LCO (1m), Zadko (100cm), ALMA @ 97.5 GHz, iTelescope (T32 & T17), AstroSat CZTI, Insight-HXMT/HE, Konus-Wind, ATCA @ 5.5, 9.0, 16.7, and 21.2 GHz, CALET
Comments:
References:
BAT: GCN 26534; GCN 26562
XRT: GCN 26534; GCN 26540; GCN 26559; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 26534; GCN 26538; GCN 26574
Radio: GCN 26564 (ALMA); GCN 26580 (ATCA)
Redshift: GCN 26538 (UVOT); GCN (VLT)
Host:
Other: