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GRB 051227

Time: 18:07:16
Trigger Number: 174738
Burst Advocate: Louis Barbier

BAT Data:

RA: a 125.231
08:20:55.4
Dec: a 31.949
31:56:56.4
90% Error Radius: b 2.1
T90: c 114.600
Fluence: d 6.99 (1.08)
1s Peak Photon Flux: e 0.95 (0.12)
Photon Index: f 1.45, PL (0.24)

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 051227

XRT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c 93.25
Early Flux: d 112
11 Hour Flux: d 0.000023318843
24 Hour Flux: d 0.0000035258743
Initial Temporal Index: -2.421
Spectral Index (Gamma): 1.99396
Column Density (NH): e 0.850415

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 96
V Magnitude: V>19.0
Other Filter Magnitudes: B>20.2
U>19.6
UVW1>19.6
UVM2>19.7
UVW2>18.5
White>19.2

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
HETE, VLT, Magellan, Gemini

Comments:

Possible short burst
UVOT: no detection

References:

BAT: GCN 4397; GCN 4400; GCN 4401; arXiv:0707.4626
XRT: GCN 4397; GCN 4402; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 4397; GCN 4411
Radio:
Redshift:
Host:
Other: