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GRB 150831A

Time: 10:34:12
Trigger Number: 653838
Burst Advocate: Amy Lien

BAT Data:

RA: a 221.034
14:44:08.2
Dec: a -25.619
-25:37:08.4
90% Error Radius: b 1.3
T90: c 1.15
Fluence: d 3.8 (0.3)
1s Peak Photon Flux: e 3.4 (0.3)
Photon Index: f 0.81, PL (0.16)

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 150831A

XRT Data:

RA: a 14:44:05.81
Dec: a -25:38:05.8
90% Error Radius: b 1.6
Time to First Observation: c 83.44
Early Flux: d 89.1
11 Hour Flux: d 0.0000084691308
24 Hour Flux: d 0.00000119437032
Initial Temporal Index: -2.511
Spectral Index (Gamma): 1.6358
Column Density (NH): e 1.414772

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 88
V Magnitude: V>19.8
Other Filter Magnitudes: B>20.4
U>21.0
UVW1>21.3
UVM2>21.3
UVW2>21.1
White>21.2

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
INTEGRAL, Konus-Wind

Comments:

UVOT: no detection

References:

BAT: GCN 18209; GCN 18214
XRT: GCN 18209; GCN 18212; GCN 18216; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 18209; GCN 18218
Radio:
Redshift:
Host:
Other: