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GRB 121128A

Time: 05:05:37
Trigger Number: 539866
Burst Advocate: Sam Oates

BAT Data:

RA: a 300.589
20:02:21.4
Dec: a 54.301
54:18:03.6
90% Error Radius: b 1.0
T90: c 23.3
Fluence: d 69 (4)
1s Peak Photon Flux: e 12.9 (0.4)
Photon Index: f 1.32, PL (0.18)

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 121128A

XRT Data:

RA: a 20:02:24.00
Dec: a 54:17:58.7
90% Error Radius: b 1.4
Time to First Observation: c 77.17
Early Flux: d 158
11 Hour Flux: d 0.0471828
24 Hour Flux: d 0.013250134
Initial Temporal Index: -2.37
Spectral Index (Gamma): 1.98504
Column Density (NH): e 10.9723

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 20:02:24.00
Dec: a 54:17:59.1
90% Error Radius: b 0.50
Time to First Observation: c 85
V Magnitude: V=17.00
Other Filter Magnitudes: B=17.51
U=17.33
UVW1>19.6
UVM2>19.6
UVW2>20.0
White=16.19

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
2.20 (Gemini North: absorption)
Host Galaxy:
Other Observatory Detections:
Faulkes North (2m), Gemini North, Konus-Wind, Fermi (GBM), RAPTOR, Sayan (AZT-33IK), MITSuME (50cm), ARIES Nainital (1.04m), Abastumani Observatory (0.7m)

Comments:

References:

BAT: GCN 14007; GCN 14011
XRT: GCN 14007; GCN 14015; GCN 14016; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 14007; GCN 14017
Radio:
Redshift: GCN 14009 (Gemini North)
Host:
Other: GCN Report 406.1