GRB 210218A

Time: 13:35:19
Trigger Number: 1033328
Burst Advocate: Boris Sbarufatti

BAT Data:

RA: a 47.318
Dec: a 35.322
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:

Host Galaxy:
Other Observatory Detections:


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


BAT: GCN 29529; GCN 29537
XRT: GCN 29542; GCN 29573; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29556