GRB 200228B
Time: 11:14:41
Trigger Number: 958733
Burst Advocate: Sibasish Laha
BAT Data:
| RA: a | 252.007 16:48:01.7 |
| Dec: a | 16.964 16:57:50.4 |
| 90% Error Radius: b | 2.5 |
| T90: c | 7.37 |
| Fluence: d | 3.0 (0.6) |
| 1s Peak Photon Flux: e | 1.0 (0.4) |
| Photon Index: f | 2.27, PL (0.36) |
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)
XRT Data:
| RA: a | 16:48:10.96 |
| Dec: a | 16:59:04.3 |
| 90% Error Radius: b | 2.1 |
| Time to First Observation: c | 135.71 |
| Early Flux: d | n/a |
| 11 Hour Flux: d | 0.0288416544 |
| 24 Hour Flux: d | 0.0173650806 |
| Initial Temporal Index: | -0.6503 |
| Spectral Index (Gamma): | 3.00568 |
| Column Density (NH): e | 15.672782 |
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 | 137 |
| V Magnitude: | V>20.1 |
| Other Filter Magnitudes: | B>20.6 U>20.4 UVW1>19.5 UVM2>19.8 UVW2>19.4 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Fermi (GBM), AZT-33IK (1.5m)
Comments:
References:
BAT: GCN 27254; GCN 27273
XRT: GCN 27254; GCN 27256; GCN 27270; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 27268
Radio:
Redshift:
Host:
Other: