GRB 130831B

Time: 13:48:19
Trigger Number: 568855
Burst Advocate: Daniele Malesani

BAT Data:

RA: a	192.454 12:49:49.0
Dec: a	-29.187 -29:11:13.2
90% Error Radius: b	2.1
T90: c	37.8
Fluence: d	14 (2)
1s Peak Photon Flux: e	2.4 (0.5)
Photon Index: f	1.88, PL (0.21)

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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:

XRT Data:

RA: a	12:49:40.89
Dec: a	-29:10:59.9
90% Error Radius: b	1.4
Time to First Observation: c	127.03
Early Flux: d	n/a
11 Hour Flux: d	0.09176296
24 Hour Flux: d	0.034865137
Initial Temporal Index:	0.1477
Spectral Index (Gamma):	2.06869
Column Density (NH): e	1.63839

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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	130
V Magnitude:	V>19.7
Other Filter Magnitudes:	B>20.5 U>20.3 UVW1>20.2 UVM2>20.9 UVW2>20.7 White>20.9

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^a J2000; ^b arcsec; ^c seconds

Comments:

UVOT: no detection

References:

BAT: GCN 15141; GCN 15163
XRT: GCN 15141; GCN 15149; GCN 15154; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 15141; GCN 15160
Radio:
Redshift:
Host:
Other: GCN Report 477.1