GRB 201221A
Time: 07:09:01
Trigger Number: 1013852
Burst Advocate: Kim Page
BAT Data:
| RA: a | 214.488 14:17:57.1 |
| Dec: a | -45.406 -45:24:21.6 |
| 90% Error Radius: b | 1.6 |
| T90: c | 44.5 |
| Fluence: d | 18 (2) |
| 1s Peak Photon Flux: e | 1.0 (0.3) |
| Photon Index: f | 1.40, PL (0.15) |
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 | 14:17:55.22 |
| Dec: a | -45:24:58.1 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 136.48 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.043971822 |
| 24 Hour Flux: d | 0.0105810462 |
| Initial Temporal Index: | -0.5907 |
| Spectral Index (Gamma): | 1.45068 |
| Column Density (NH): e | 72.9997 |
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 | 141 |
| V Magnitude: | V>18.8 |
| Other Filter Magnitudes: | B>18.3 U>19.5 UVW1>19.4 UVM2>19.2 UVW2>19.4 White>20.2 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:5.70 (VLT)Host Galaxy:
Other Observatory Detections:
VLT, Fermi (GBM), REM (60cm), Konus-Wind
Comments:
UVOT: no detection
References:
BAT: GCN 29096; GCN 29116
XRT: GCN 29096; GCN 29097; GCN 29105; GCN 29108; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29096; GCN 29109
Radio:
Redshift: GCN 29100 (VLT)
Host:
Other: