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GRB 160227A

Time: 19:32:08
Trigger Number: 676423
Burst Advocate: Mike Siegel

BAT Data:

RA: a 195.034
13:00:08.2
Dec: a 78.672
78:40:19.2
90% Error Radius: b 2.8
T90: c 316.5
Fluence: d 31 (2)
1s Peak Photon Flux: e 0.6 (0.1)
Photon Index: f 0.75, CPL (0.51)

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 160227A

XRT Data:

RA: a 12:59:13.73
Dec: a 78:40:44.9
90% Error Radius: b 1.4
Time to First Observation: c 151.85
Early Flux: d 267
11 Hour Flux: d 0.4306198
24 Hour Flux: d 0.281294937
Initial Temporal Index: -1.5
Spectral Index (Gamma): 1.72551
Column Density (NH): e 2.62964

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 12:59:13.80
Dec: a 78:40:45.1
90% Error Radius: b 0.46
Time to First Observation: c 161
V Magnitude: V=19.40
Other Filter Magnitudes: B=19.71
U>19.22
UVW1>20.5
UVM2>21.1
UVW2>20.7
White=19.80

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
2.38 (NOT: absorption)
Host Galaxy:
Other Observatory Detections:
MASTER II, Mt. Terskol (Zeiss-600), ISON-Kislovodsk (0.5m), MAXI (GSC), NOT (2.5m), McDonald (0.8m), Mt. Lemmon (1.0m)

Comments:

References:

BAT: GCN 19098; GCN 19106
XRT: GCN 19098; GCN 19104; GCN 19105; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 19098; GCN 19122
Radio:
Redshift: GCN 19109 (NOT)
Host:
Other: