GRB 230217A

Time: 21:53:10
Trigger Number: 1154967
Burst Advocate: Michael Moss

BAT Data:

RA: a 280.759
Dec: a -28.840
90% Error Radius: b 1.3
T90: c 1.30
Fluence: d 23 (2)
1s Peak Photon Flux: e 20.2 (1.5)
Photon Index: f 0.99, PL (0.12)

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 18:43:04.80
Dec: a -28:50:14.6
90% Error Radius: b 4.7
Time to First Observation: c 45800
Early Flux: d n/a
11 Hour Flux: d n/a
24 Hour Flux: d n/a
Initial Temporal Index: -1.129
Spectral Index (Gamma): 1.6
Column Density (NH): e 1.6

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 45800
V Magnitude: n/a
Other Filter Magnitudes: U>20.78

a J2000; b arcsec; c seconds

Other Burst Info:

Host Galaxy:
Other Observatory Detections:
Fermi (GBM), AGILE (MCAL), Konus-Wind, AstroSat (CZTI), ATCA @ 5.5 & 9 GHz, VLT, VLA @ 6 GHz


Due to a Moon observing constraint, Swift did slew to the BAT position until 2023 February 18.
UVOT: no detection


BAT: GCN 33339; GCN 33363
XRT: GCN 33348; GCN 33365; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 33370
Radio: GCN 33433 (ATCA); GCN 33358 (VLA)