GRB 131227A
Time: 04:44:51
Trigger Number: 582184
Burst Advocate: Sam Oates
BAT Data:
| RA: a | 67.369 04:29:28.6 |
| Dec: a | 28.879 28:52:44.4 |
| 90% Error Radius: b | 1.3 |
| T90: c | 18.0 |
| Fluence: d | 8.4 (0.6) |
| 1s Peak Photon Flux: e | 1.1 (0.2) |
| Photon Index: f | 1.36, PL (0.12) |
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 | 04:29:30.78 |
| Dec: a | 28:52:58.9 |
| 90% Error Radius: b | 1.4 |
| Time to First Observation: c | 57 |
| Early Flux: d | 60.1 |
| 11 Hour Flux: d | 0.024683603 |
| 24 Hour Flux: d | 0.008876693 |
| Initial Temporal Index: | -0.9131 |
| Spectral Index (Gamma): | 1.92381 |
| Column Density (NH): e | 4.97208 |
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 | 66 |
| V Magnitude: | V>19.7 |
| Other Filter Magnitudes: | B>21.1 U>20.9 UVW1>20.1 UVW2>20.5 White>21.9 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:~5.3 (Gemini-North)Host Galaxy:
Other Observatory Detections:
KAIT (0.76m), Xinglong (2.16m)
Comments:
UVOT: no detection
References:
BAT: GCN 15616; GCN 15620
XRT: GCN 15616; GCN 15618; GCN 15623; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 15616; GCN 15621
Radio:
Redshift: GCN 15624 (Gemini-North)
Host:
Other: