GRB 170912B
Time: 06:33:46
Trigger Number: 772052
Burst Advocate: Sam Laporte
BAT Data:
| RA: a | 215.464 14:21:51.4 |
| Dec: a | -61.997 -61:59:49.2 |
| 90% Error Radius: b | 1.0 |
| T90: c | 19.6 |
| Fluence: d | 24 (1) |
| 1s Peak Photon Flux: e | 5.7 (0.3) |
| Photon Index: f | 1.88, PL (0.07) |
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 | 14:21:50.04 |
| Dec: a | -61:59:48.9 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 50.28 |
| Early Flux: d | 47.6 |
| 11 Hour Flux: d | 0.0121931684 |
| 24 Hour Flux: d | 0.00242268502 |
| Initial Temporal Index: | -0.6941 |
| Spectral Index (Gamma): | 1.65573 |
| Column Density (NH): e | 40.5946 |
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 | 60 |
| V Magnitude: | V>18.08 |
| Other Filter Magnitudes: | B>18.76 U>19.67 UVW1>18.24 UVM2>18.12 UVW2>18.39 White>20.72 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Fermi (GBM)
Comments:
UVOT: no detection
References:
BAT: GCN 21864; GCN 21879
XRT: GCN 21864; GCN 21868; GCN 21873; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21864; GCN 21881
Radio:
Redshift:
Host:
Other: