GRB 121108A

Time: 17:47:39
Trigger Number: 537921
Burst Advocate: Tilan Ukwatta

BAT Data:

RA: a	83.216 05:32:51.8
Dec: a	54.520 54:31:12.0
90% Error Radius: b	2.2
T90: c	89
Fluence: d	9.6 (1.2)
1s Peak Photon Flux: e	1.6 (0.2)
Photon Index: f	2.28, PL (0.20)

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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:

XRT Data:

RA: a	05:32:46.58
Dec: a	54:28:24.6
90% Error Radius: b	1.5
Time to First Observation: c	54.17
Early Flux: d	196
11 Hour Flux: d	0.02135435
24 Hour Flux: d	0.005831696
Initial Temporal Index:	-0.9944
Spectral Index (Gamma):	1.6975
Column Density (NH): e	2.276799

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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	64
V Magnitude:	V>19.6
Other Filter Magnitudes:	B>19.9 U>20.6 UVW1>19.6 UVM2>19.6 UVW2>19.8 White>21.3

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^a J2000; ^b arcsec; ^c seconds

Comments:

UVOT: no detection

References:

BAT: GCN 13952; GCN 13961
XRT: GCN 13952; GCN 13959; GCN 13963; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13952; GCN 13962
Radio:
Redshift:
Host:
Other: GCN Report 417.1