GRB 090720
Time: 06:38:08
Trigger Number: 357811
Ground Analysis
Burst Advocate: Erik Hoversten
BAT Data:
RA: a | 203.694 13:34:46.6 |
Dec: a | -10.335 -10:20:06.0 |
90% Error Radius: b | 3 |
T90: c | n/a |
Fluence: d | n/a (n/a) |
1s Peak Photon Flux: e | n/a (n/a) |
Photon Index: f | n/a (n/a) |
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 | 13:34:43.27 |
Dec: a | -10:20:06.0 |
90% Error Radius: b | 2.8 |
Time to First Observation: c | n/a |
Early Flux: d | n/a |
11 Hour Flux: d | 0.0405078 |
24 Hour Flux: d | 0.01672653 |
Initial Temporal Index: | -1.134 |
Spectral Index (Gamma): | 2.38198 |
Column Density (NH): e | 0.30763672 |
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
UVOT Data:
RA: a | n/a |
Dec: a | n/a |
90% Error Radius: b | n/a |
Time to First Observation: c | 39600 |
V Magnitude: | n/a |
Other Filter Magnitudes: | U>21.10 White>21.28 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Fermi (GBM), Gemini-North
Comments:
Ground analysis detection. A Swift TOO has been requested and approved.
UVOT: no detection
References:
BAT: GCN 9694
XRT: GCN 9697; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9697
Radio:
Redshift:
Host:
Other: GCN Report 233.1