GRB 210218A
Time: 13:35:19
Trigger Number: 1033328
Burst Advocate: Boris Sbarufatti
BAT Data:
RA: a | 47.318 03:09:16.3 |
Dec: a | 35.322 35:19:19.2 |
90% Error Radius: b | 1.4 |
T90: c | 240 |
Fluence: d | 43 (3) |
1s Peak Photon Flux: e | 1.0 (0.2) |
Photon Index: f | 0.77, CPL (0.49) |
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 | 03:09:17.67 |
Dec: a | 35:19:26.5 |
90% Error Radius: b | 4.8 |
Time to First Observation: c | 170000 |
Early Flux: d | n/a |
11 Hour Flux: d | n/a |
24 Hour Flux: d | n/a |
Initial Temporal Index: | n/a |
Spectral Index (Gamma): | 5.52509 |
Column Density (NH): e | 12.09147 |
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 | 170000 |
V Magnitude: | n/a |
Other Filter Magnitudes: | White>21.65 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Comments:
Due to a Moon observing constraint, Swift did not slew to the BAT position until 11:37 UT on 2021 February 20.
UVOT: no detection
References:
BAT: GCN 29529; GCN 29537
XRT: GCN 29542; GCN 29573; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29556
Radio:
Redshift:
Host:
Other: