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GRB 210308A

Time: 06:37:56
Trigger Number: 1036227
Burst Advocate: Valerio D'Elia

BAT Data:

RA: a 67.083
04:28:19.9
Dec: a 37.429
37:25:44.4
90% Error Radius: b 1.0
T90: c 5.3
Fluence: d 32 (1)
1s Peak Photon Flux: e 13.6 (0.7)
Photon Index: f 0.76, CPL (0.28)

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 04:28:18.04
Dec: a 37:26:04.0
90% Error Radius: b 3.51732
Time to First Observation: c 84.96
Early Flux: d 51.8
11 Hour Flux: d n/a
24 Hour Flux: d n/a
Initial Temporal Index: -0.7941
Spectral Index (Gamma): n/a
Column Density (NH): e n/a

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 04:28:17.73
Dec: a 37:26:02.1
90% Error Radius: b 0.46
Time to First Observation: c 95
V Magnitude: V>17.84
Other Filter Magnitudes: B>18.62
U>19.50
UVW1>17.25
UVM2>17.52
UVW2>17.91
White=18.54

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM), MONDY AZT-33IK, Konus-Wind

Comments:

References:

BAT: GCN 29619; GCN 29633
XRT: GCN 29619; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29619; GCN 29630
Radio:
Redshift:
Host:
Other: