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GRB 210307A

Time: 08:42:38
Trigger Number: 1036139
Burst Advocate: Elena Ambrosi

BAT Data:

RA: a 119.244
07:56:58.6
Dec: a -66.965
-66:57:54.0
90% Error Radius: b 2.1
T90: c 262
Fluence: d 28 (3)
1s Peak Photon Flux: e 1.0 (0.2)
Photon Index: f 1.56, PL (0.16)

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 07:56:57.65
Dec: a -66:58:13.5
90% Error Radius: b 3.52412
Time to First Observation: c 90.88
Early Flux: d 273
11 Hour Flux: d n/a
24 Hour Flux: d n/a
Initial Temporal Index: -2.096
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 n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c 100
V Magnitude: V>19.3
Other Filter Magnitudes: B>19.9
U>20.6
UVW1>19.6
UVM2>18.7
UVW2>19.9
White>21.1

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 29610; GCN 29632
XRT: GCN 29610; GCN 29624; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29610; GCN 29629
Radio:
Redshift:
Host:
Other: