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GRB 121027A

Time: 07:32:29
Trigger Number: 536831
Burst Advocate: Phil Evans

BAT Data:

RA: a 63.598
04:14:23.5
Dec: a -58.839
-58:50:20.4
90% Error Radius: b 1.0
T90: c 62.6
Fluence: d 20 (1)
1s Peak Photon Flux: e 1.3 (0.2)
Photon Index: f 1.82, PL (0.09)

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 121027A

XRT Data:

RA: a 04:14:23.47
Dec: a -58:49:46.8
90% Error Radius: b 1.4
Time to First Observation: c 67.38
Early Flux: d 610
11 Hour Flux: d 0.24509127
24 Hour Flux: d 0.18853735
Initial Temporal Index: -2.334
Spectral Index (Gamma): 2.37144
Column Density (NH): e 11.9499

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 77
V Magnitude: V>19.5
Other Filter Magnitudes: B>19.7
U>20.6
UVW1>19.8
White=21.55

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.773 (arXiv:1302.2352v1)
1.77 (Gemini-South: absorption)
1.773 (VLT: emission and absorption)
Host Galaxy:
Other Observatory Detections:
MAXI/GSC, Anglo-Australian Telescope, MPG/ESO (2.2m), CTIO (1.3m), Gemini-South, VLT

Comments:

UVOT: Possible Detection

References:

BAT: GCN 13906; GCN 13907; GCN 13910
XRT: GCN 13906; GCN 13907; GCN 13916; GCN 13921; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13906; GCN 13907; GCN 13932
Radio:
Redshift: GCN 13929 (Gemini-South); GCN 13930 (VLT); arXiv:1302.2352v1
Host:
Other: