GRB 070721B
Time: 10:33:48
Trigger Number: 285654
Burst Advocate: Houri Ziaeepour
BAT Data:
| RA: a | 33.128 02:12:30.7 |
| Dec: a | -2.198 -02:11:52.8 |
| 90% Error Radius: b | 1.2 |
| T90: c | 340 |
| Fluence: d | 36 (2) |
| 1s Peak Photon Flux: e | 1.5 (0.3) |
| Photon Index: f | 1.34, PL (0.11) |
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 | 02:12:32.93 |
| Dec: a | -02:11:39.6 |
| 90% Error Radius: b | 1.5 |
| Time to First Observation: c | n/a |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.037269792 |
| 24 Hour Flux: d | 0.00624792 |
| Initial Temporal Index: | -4.915 |
| Spectral Index (Gamma): | 1.52512 |
| Column Density (NH): e | 7.84755 |
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 | 02:12:32.95 |
| Dec: a | -02:11:40.6 |
| 90% Error Radius: b | 0.9 |
| Time to First Observation: c | 50 |
| V Magnitude: | V=16.7 |
| Other Filter Magnitudes: | B>18.4 U>18.5 UVW1>18.8 UVM2>18.9 UVW2>18.8 White=16.82 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:proposed redshift 3.626 (VLT)Host Galaxy:
Other Observatory Detections:
VLT, NOT
Comments:
References:
BAT: GCN 6640; GCN 6643; GCN 6649
XRT: GCN 6640; GCN 6646; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 6641; GCN 6650
Radio:
Redshift: GCN 6651 (VLT)
Host:
Other: GCN Report 73.1
GCN Report 73.2