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GRB 210305A

Time: 19:03:04
Trigger Number: 1035922
Burst Advocate: Antonino D'Ai

BAT Data:

RA: a 319.808
21:19:13.9
Dec: a 34.548
34:32:52.8
90% Error Radius: b 1.0
T90: c 68.6
Fluence: d 71 (2)
1s Peak Photon Flux: e 3.4 (0.3)
Photon Index: f 0.93, CPL (0.19)

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 21:19:14.53
Dec: a 34:33:14.5
90% Error Radius: b 1.4
Time to First Observation: c 76.8
Early Flux: d n/a
11 Hour Flux: d n/a
24 Hour Flux: d n/a
Initial Temporal Index: -0.91
Spectral Index (Gamma): 1.84
Column Density (NH): e 4.0

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 85
V Magnitude: V>18.55
Other Filter Magnitudes: B>19.37
U>18.86
UVW1>18.70
UVM2>18.63
UVW2>18.60
White>20.51

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM), Konus-Wind

Comments:

UVOT: no detection

References:

BAT: GCN 29595; GCN 29611
XRT: GCN 29595; GCN 29625
UVOT: GCN 29595; GCN 29615
Radio:
Redshift:
Host:
Other: