GRB 070227
Time: 22:21:59
Trigger Number: 262347
Ground Analysis
Burst Advocate: Claudio Pagani
BAT Data:
| RA: a | 120.578 08:02:18.7 |
| Dec: a | -46.302 -46:18:07.2 |
| 90% Error Radius: b | 2.3 |
| T90: c | 7 |
| Fluence: d | 16.20 (2.49) |
| 1s Peak Photon Flux: e | 4.62 (1.27) |
| Photon Index: f | 1.53, PL (0.27) |
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 | 08:02:19.37 |
| Dec: a | -46:18:50.4 |
| 90% Error Radius: b | 2.1 |
| Time to First Observation: c | n/a |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.09417642 |
| 24 Hour Flux: d | 0.03946644 |
| Initial Temporal Index: | -1.115 |
| Spectral Index (Gamma): | 2.25869 |
| Column Density (NH): e | 3.59505 |
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
UVOT Data:
| RA: a | n/a |
| Dec: a | n/a |
| 90% Error Radius: b | n/a |
| Time to First Observation: c | 56680 |
| V Magnitude: | V>20.90 |
| Other Filter Magnitudes: | B>21.58 U>21.31 UVW1>21.17 UVM2>21.34 UVW2>21.04 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
Burst found in ground analysis, ToO issued.
XRT: possible afterglow
UVOT: no detection
References:
BAT: GCN 6156; GCN 6158; arXiv:0707.4626
XRT: GCN 6157; GCN 6167; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 6160
Radio:
Redshift:
Host:
Other: GCN Report 37.1