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GRB 090807

Time: 15:00:27
Trigger Number: 359378
Burst Advocate: John Cannizzo

BAT Data:

RA: a 273.741
18:14:57.8
Dec: a 10.279
10:16:44.4
90% Error Radius: b 1.8
T90: c 140.8
Fluence: d 22 (2)
1s Peak Photon Flux: e 0.7 (0.2)
Photon Index: f 2.25, PL (0.14)

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 18:14:58.57
Dec: a 10:15:57.4
90% Error Radius: b 1.4
Time to First Observation: c 153.50
Early Flux: d 855
11 Hour Flux: d 0.022079575
24 Hour Flux: d 0.0045192
Initial Temporal Index: -4.519
Spectral Index (Gamma): 2.35238
Column Density (NH): e 3.21586

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 163
V Magnitude: n/a
Other Filter Magnitudes: U>20.1
White>21.1

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 9746; GCN 9749
XRT: GCN 9746; GCN 9748; GCN 9750; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9746; GCN 9751
Radio:
Redshift:
Host:
Other: GCN Report 237.1