GRB 100724A
Time: 00:42:19
Trigger Number: 429868
Burst Advocate: Craig Markwardt
BAT Data:
| RA: a | 194.569 12:58:16.6 |
| Dec: a | -11.095 -11:05:42.0 |
| 90% Error Radius: b | 1.7 |
| T90: c | 1.4 |
| Fluence: d | 1.6 (0.2) |
| 1s Peak Photon Flux: e | 1.9 (0.2) |
| Photon Index: f | 1.92, PL (0.21) |
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 | 12:58:10.37 |
| Dec: a | -11:06:09.4 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | 88.90 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.01544616 |
| 24 Hour Flux: d | 0.006768972 |
| Initial Temporal Index: | -1.057 |
| Spectral Index (Gamma): | 1.94442 |
| Column Density (NH): e | 1.04041 |
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 | 74 |
| V Magnitude: | V>18.31 |
| Other Filter Magnitudes: | U=18.17 B>18.99 UVW1>17.96 UVM2>18.19 UVW2>18.97 White>19.71 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:1.288 (VLT: absorption)Host Galaxy:
Other Observatory Detections:
ESO/MPI (2.2m)
Comments:
BAT: The observed T90 value for GRB 100724A is inconclusive. The relatively large spectral lag value and soft spectrum points towards long soft burst. Our conclusion is that this burst is likely to be in the long burst category.
References:
BAT: GCN 10968; GCN 10972; GCN 10976
XRT: GCN 10968; GCN 10974; GCN 10975; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10968; GCN 10973
Radio:
Redshift: GCN 10971 (VLT)
Host:
Other: