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GRB 101225A

Time: 18:37:45
Trigger Number: 441015
Burst Advocate: Judy Racusin

BAT Data:

RA: a 0.2037
00:00:48.9
Dec: a 44.5739
44:34:26.0
90% Error Radius: b 3.6
T90: c 1088.0
Fluence: d 19 (4)
1s Peak Photon Flux: e 0.0 (0.0)
Photon Index: f 1.82, PL (0.32)

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 101225A

XRT Data:

RA: a 00:00:47.51
Dec: a 44:36:01.1
90% Error Radius: b 1.4
Time to First Observation: c 1383.04
Early Flux: d 236
11 Hour Flux: d 0.05127542
24 Hour Flux: d 0.005115693
Initial Temporal Index: 0.7596
Spectral Index (Gamma): 1.81612
Column Density (NH): e 1.311323

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 1387
V Magnitude: V>21.40
Other Filter Magnitudes: B=21.73
U>20.68
UVW1=20.58
UVM2=20.12
UVW2=19.62

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.847(arXiv:1302.2352v1)
0.40 (Keck I: emission)
Host Galaxy:
R = 24.1 (NOT, possible host)
Other Observatory Detections:
NOT, WHT (4.2m), Calar Alto (1.23m), Palomar (60"), MMT (6.5m), McDonald Observatory (2.1m), Gemini North

Comments:

References:

BAT: GCN 11493; GCN 11500; GCN 11504; GCN 11570
XRT: GCN 11493; GCN 11497; GCN 11498; GCN 11501; GCN 11570; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 11499
Radio:
Redshift: GCN 11522 (Keck I); arXiv:1302.2352v1
Host: GCN 11519 (NOT)
Other: GCN Report 314.1