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GRB 101225A

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

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

Burst Alert Telescope (BAT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
T90 b Fluence c
(15-150 keV)
1-sec Peak d
Photon Flux
(15-150 keV)
Photon Index e
(15-150 keV)
0.2037
00:00:48.9
44.5739
44:34:26.0
3.6 1088.0 19 (4) 0.0 (0.0) 1.82, PL (0.32)

90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law

X-Ray Telescope (XRT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Early Flux c
(0.3-10 keV)
11 Hour Flux c
(0.3-10 keV)
24 Hour Flux c
(0.3-10 keV)
Initial d
LC Index
Spectral
Index
(Gamma)
Column e
Density
(NH)
00:00:47.51 44:36:01.1 1.4 1383.04 236 0.05127542 0.005115693 0.7596 1.81612 1.311323

a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2

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.

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UltraViolet/Optical Telescope (UVOT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Magnitude Other Filter
Magnitudes
n/a n/a n/a 1387 V>21.40 B=21.73
U>20.68
UVW1=20.58
UVM2=20.12
UVW2=19.62

a arcsec; b seconds

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

BAT Light Curve:

BAT Light Curve for GRBblc/101225A.png