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GRB 131004A

Time: 21:41:03
Trigger Number: 573190
Burst Advocate: Lea Hagen

BAT Data:

RA: a 296.108
19:44:25.9
Dec: a -2.952
-02:57:07.2
90% Error Radius: b 1.1
T90: c 1.54
Fluence: d 2.8 (0.2)
1s Peak Photon Flux: e 3.4 (0.2)
Photon Index: f 1.81, PL (0.11)

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 131004A

XRT Data:

RA: a 19:44:27.16
Dec: a -02:57:31.0
90% Error Radius: b 1.5
Time to First Observation: c 69.97
Early Flux: d n/a
11 Hour Flux: d 0.01474704
24 Hour Flux: d 0.006689178
Initial Temporal Index: -1.013
Spectral Index (Gamma): 2.21436
Column Density (NH): e 2.62515

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 19:44:27.09
Dec: a -02:57:30.4
90% Error Radius: b 0.55
Time to First Observation: c 75
V Magnitude: V>20.24
Other Filter Magnitudes: U=20.72
B>21.0
UVW1>20.9
UVM2>20.8
UVW2>21.0
White=20.18

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.717 (Magellan: emission)
0.71 (TNG: emission)
Host Galaxy:
Other Observatory Detections:
NOT, TNG (3.6m), Liverpool (2m), Magellan (6.5m), MPG (2.2m), TNG (4m), Fermi (GBM)

Comments:

References:

BAT: GCN 15303; GCN 15316
XRT: GCN 15303; GCN 15308; GCN 15311; GCN 15318; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 15303; GCN 15313
Radio:
Redshift: GCN 15307 (Magellan); GCN 15310 (TNG)
Host:
Other: