GRB 090902B
Time: 11:05:08.31
Trigger Number: Fermi
Burst Advocate:
BAT Data:
RA: a | 265.00 17:40:00.0 |
Dec: a | 27.33 27:19:48.0 |
90% Error Radius: b | 3.6 |
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 | 17:39:45.26 |
Dec: a | 27:19:28.1 |
90% Error Radius: b | 2.1 |
Time to First Observation: c | n/a |
Early Flux: d | n/a |
11 Hour Flux: d | 0.5149026 |
24 Hour Flux: d | 0.17343615 |
Initial Temporal Index: | -1.395 |
Spectral Index (Gamma): | 1.85486 |
Column Density (NH): e | 17.9131 |
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 | 45,096 |
V Magnitude: | n/a |
Other Filter Magnitudes: | U=20.26 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
Fermi: GCN 9866 and 9867
References:
BAT:
XRT: GCN 9868; GCN 9871; GCN 9876; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9869; GCN 9877
Radio:
Redshift:
Host:
Other: GCN Report 249.1