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GRB 090307A

Time: 03:46:37
Trigger Number: 345551
Burst Advocate: Phil Evans

BAT Data:

RA: a 245.007
16:20:01.7
Dec: a -28.647
-28:38:49.2
90% Error Radius: b 3.3
T90: c 22
Fluence: d 2.6 (0.6)
1s Peak Photon Flux: e 0.2 (0.1)
Photon Index: f 1.08, PL (0.39)

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:

BAT Light Curve for GRB 090307A

XRT Data:

RA: a 16:19:58.64
Dec: a -28:37:59.9
90% Error Radius: b 2.1
Time to First Observation: c 135
Early Flux: d 7.6
11 Hour Flux: d n/a
24 Hour Flux: d 0.014
Initial Temporal Index: 0.7
Spectral Index (Gamma): 2.21
Column Density (NH): e 3.5

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 128
V Magnitude: V>18.00
Other Filter Magnitudes: U>19.76
B>18.89
UVW1>17.86
White>20.71

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 8943; GCN 8945
XRT: GCN 8943; GCN 8946
UVOT: GCN 8943
Radio:
Redshift:
Host:
Other: GCN Report 199.1