GRB 070809
Time: 19:22:17
Trigger Number: 287344
Burst Advocate: Frank Marshall
BAT Data:
| RA: a | 203.767 13:35:04.1 |
| Dec: a | -22.119 -22:07:08.4 |
| 90% Error Radius: b | 1.7 |
| T90: c | 1.3 |
| Fluence: d | 1.0 (0.1) |
| 1s Peak Photon Flux: e | 1.2 (0.2) |
| Photon Index: f | 1.69, PL (0.22) |
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 | n/a |
| Dec: a | n/a |
| 90% Error Radius: b | n/a |
| Time to First Observation: c | 70.78 |
| Early Flux: d | 3940 |
| 11 Hour Flux: d | 0.049408137 |
| 24 Hour Flux: d | 0.032830797 |
| Initial Temporal Index: | -0.5239 |
| Spectral Index (Gamma): | 1.37246 |
| Column Density (NH): e | 0.6400195845 |
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>19.1 |
| Other Filter Magnitudes: | B>20.4 U>20.6 UVW1>20.6 UVM2>21.0 UVW2>20.6 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Keck I
Comments:
UVOT: no detection
References:
BAT: GCN 6728; GCN 6732
XRT: GCN 6728; GCN 6737; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 6728; GCN 6744; GCN 6751
Radio:
Redshift:
Host:
Other: GCN Report 80.1