GRB 220305A

Time: 16:13:08
Trigger Number: 1095215
Burst Advocate: Regina Caputo

BAT Data:

RA: a 107.610
Dec: a -37.703
90% Error Radius: b 1.5
T90: c 21.12
Fluence: d 20 (2)
1s Peak Photon Flux: e 2.1 (0.5)
Photon Index: f 1.66, PL (0.15)

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 07:10:23.65
Dec: a -37:40:49.2
90% Error Radius: b 2.0
Time to First Observation: c 3016.95
Early Flux: d n/a
11 Hour Flux: d 0.084217344
24 Hour Flux: d 0.03472128
Initial Temporal Index: -1.136
Spectral Index (Gamma): 2.2999
Column Density (NH): e 7.71926

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 n/a
V Magnitude: n/a
Other Filter Magnitudes: n/a

a J2000; b arcsec; c seconds

Other Burst Info:

Host Galaxy:
Other Observatory Detections:
Fermi (GBM sub-threshold)


Due to an observing constraint, Swift did not slew until T0+46.5 minutes.


BAT: GCN 31684; GCN 31698
XRT: GCN 31685; GCN 31688;GCN 31695; Evans et al., 2009, MNRAS, 397, 1177