GRB 130131A

Time: 13:56:22
Trigger Number: 547407
Burst Advocate: Dirk Grupe

BAT Data:

RA: a	171.091 11:24:21.8
Dec: a	48.064 48:03:50.4
90% Error Radius: b	2.1
T90: c	51.6
Fluence: d	3.1 (0.6)
1s Peak Photon Flux: e	0.7 (0.1)
Photon Index: f	2.12, PL (0.32)

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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	11:24:30.38
Dec: a	48:04:33.5
90% Error Radius: b	1.5
Time to First Observation: c	58.53
Early Flux: d	1220
11 Hour Flux: d	0.021331158
24 Hour Flux: d	0.010396146
Initial Temporal Index:	1.5
Spectral Index (Gamma):	2.35898
Column Density (NH): e	2.70909

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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	67
V Magnitude:	V>21.0
Other Filter Magnitudes:	B>21.7 U>22.0 UVW1>21.7 UVM2>21.3 UVW2>22.0 White>22.5

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^a J2000; ^b arcsec; ^c seconds

Comments:

UVOT: no detection

References:

BAT: GCN 14156; GCN 14163
XRT: GCN 14156; GCN 14160; GCN 14168; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14156; GCN 14180
Radio: GCN 14171 (VLA); GCN 14172 (CARMA)
Redshift:
Host:
Other: GCN Report 424.1