GRB 121211A
Time: 13:47:02
Trigger Number: 541200
Burst Advocate: Vanessa Mangano
BAT Data:
| RA: a | 195.575 13:02:18.0 |
| Dec: a | 30.173 30:10:22.8 |
| 90% Error Radius: b | 4.9 |
| T90: c | 182 |
| Fluence: d | 13 (2.67) |
| 1s Peak Photon Flux: e | 1.0 (0.3) |
| Photon Index: f | 2.36, PL (0.26) |
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 | 13:02:07.99 |
| Dec: a | 30:08:54.9 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 89.52 |
| Early Flux: d | 664 |
| 11 Hour Flux: d | 0.13629805 |
| 24 Hour Flux: d | 0.0478345 |
| Initial Temporal Index: | -0.4783 |
| Spectral Index (Gamma): | 2.0682 |
| Column Density (NH): e | 4.58545 |
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 | 13:02:07.99 |
| Dec: a | 30:08:54.6 |
| 90% Error Radius: b | 0.52 |
| Time to First Observation: c | 97 |
| V Magnitude: | V>19.9 |
| Other Filter Magnitudes: | B=20.4 U=19.6 UVW1=20.6 UVM2=20.6 UVW2>21.1 White=19.9 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.023 (Keck I)Host Galaxy:
Other Observatory Detections:
Faulkes North (2m), Keck I, MITSuME (50cm), Harold Johnson Telescope (1.5m), Fermi (GBM)
Comments:
References:
BAT: GCN 14057; GCN 14067
XRT: GCN 14057; GCN 14060; GCN 14061; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14057; GCN 14063
Radio:
Redshift: GCN 14059 (Keck I)
Host:
Other: GCN Report 415.1