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GRB 150910A

Time: 09:04:48
Trigger Number: 655097
Burst Advocate: Claudio Pagani

BAT Data:

RA: a 5.677
00:22:42.5
Dec: a 33.466
33:27:57.6
90% Error Radius: b 2.3
T90: c 112.2
Fluence: d 48 (4)
1s Peak Photon Flux: e 1.1 (0.4)
Photon Index: f 1.42, PL (0.12)

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 150910A

XRT Data:

RA: a 00:22:40.16
Dec: a 33:28:22.7
90% Error Radius: b 1.4
Time to First Observation: c 145.30
Early Flux: d 223
11 Hour Flux: d 0.19873107
24 Hour Flux: d 0.028924454
Initial Temporal Index: -2.942
Spectral Index (Gamma): 1.78547
Column Density (NH): e 0.6957

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 00:22:40.11
Dec: a 33:28:21.9
90% Error Radius: b 0.58
Time to First Observation: c 154
V Magnitude: V>17.23
Other Filter Magnitudes: B=17.56
U=18.03
UVW1=16.76
UVW2>17.97
White=19.90

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.359 (Lick: absorption)
1.360 (GTC: absorption)
Host Galaxy:
Other Observatory Detections:
KAIT (0.76m), Faulkes North (2m), MITSuME (50cm), Nanshan (1m), Lick (3m), GTC (10.4), Zeiss-1000 (SAO RAS), Murikabushi (1m), MPG (2.2m), Okayama Astrophysical Observatory (0.91m), NOT (2.5m), Zeiss-1000 (Tien Shan), VLA @ 9.8 GHz, Chuguev Observatory (0.7m), AS-32 (0.7m), Palomar (60"), Murikabushi (1m), HJT (1.5m), Zeiss-600 (Mt. Terskol), T100 (1m), Zeiss-2000 (Mt. Terskol), AS-32 (0.7m), CrAO Observatory

Comments:

UVOT: Preliminary detections using the UVOT photometric system show a very rapid and steep rise in the luminosity of the afterglow over the first 1 ks of observation.

References:

BAT: GCN 18264; GCN 18268
XRT: GCN 18264; GCN 18272; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 18264; GCN 18270
Radio: GCN 18285 (VLA)
Redshift: GCN 18273 (Lick); GCN 18274 (GTC)
Host:
Other: