GRB 071227
Time: 20:13:47
Trigger Number: 299787
Burst Advocate: Taka Sakamoto
BAT Data:
| RA: a | 58.132 03:52:31.7 |
| Dec: a | -55.959 -55:57:32.4 |
| 90% Error Radius: b | 1.7 |
| T90: c | 1.8 |
| Fluence: d | 2.2 (0.3) |
| 1s Peak Photon Flux: e | 1.6 (0.2) |
| Photon Index: f | 0.99, PL (0.22) |
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 | 03:52:31.20 |
| Dec: a | -55:59:03.1 |
| 90% Error Radius: b | 1.7 |
| Time to First Observation: c | 79.09 |
| Early Flux: d | 95.9 |
| 11 Hour Flux: d | 0.0028962824 |
| 24 Hour Flux: d | 0.0012472768 |
| Initial Temporal Index: | -0.8278 |
| Spectral Index (Gamma): | 1.89838 |
| Column Density (NH): e | 0.452512 |
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 | 03:52:31.102 |
| Dec: a | -55:59:00.65 |
| 90% Error Radius: b | 0.6 |
| Time to First Observation: c | 86 |
| V Magnitude: | V>20.46 |
| Other Filter Magnitudes: | B>21.01 U>20.33 UVW1>20.17 UVM2>21.00 UVW2>20.65 White=21.73 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:0.383 (VLT: emission, host redshift)Host Galaxy:
0.384 (Magellan: emission, host redshift)
Possible Host: edge-on spiral, R=19.3Other Observatory Detections:
Konus-Wind, VLT, Suzaku
Comments:
UVOT: OT candidate from coadded images.
References:
BAT: GCN 7147; GCN 7148; GCN 7156
XRT: GCN 7147; GCN 7153; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 7147; GCN 7150
Radio:
Redshift: GCN 7152 (VLT); GCN 7154 (Magellan)
Host: GCN 7151 (Magellan)
Other: