GRB 121027A
Redshift:
Other Observatory Detections:
1.773 (arXiv:1302.2352v1)Host Galaxy:
1.77 (Gemini-South: absorption)
1.773 (VLT: emission and absorption)
Other Observatory Detections:
MAXI/GSC, Anglo-Australian Telescope, MPG/ESO (2.2m), CTIO (1.3m), Gemini-South, VLT
Time: 07:32:29
Trigger Number: 536831
Burst Advocate: Phil Evans
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) |
|---|---|---|---|---|---|---|
| 63.598 04:14:23.5 |
-58.839 -58:50:20.4 |
1.0 | 62.6 | 20 (1) | 1.3 (0.2) | 1.82, PL (0.09) |
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) |
|---|---|---|---|---|---|---|---|---|---|
| 04:14:23.47 | -58:49:46.8 | 1.4 | 67.38 | 610 | 0.24509127 | 0.18853735 | -2.334 | 2.37144 | 11.9499 |
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.
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 | 77 | V>19.5 | B>19.7 U>20.6 UVW1>19.8 White=21.55 |
a arcsec; b seconds
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: