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GRB 210618A

Time: 01:43:37
Trigger Number: 1056426
Burst Advocate: Maria Grazia Bernardini

BAT Data:

RA: a 235.763
15:43:03.1
Dec: a 46.072
46:04:19.2
90% Error Radius: b 2.0
T90: c 2.13
Fluence: d 1.8 (0.3)
1s Peak Photon Flux: e 1.1 (0.2)
Photon Index: f 1.18, PL (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 15:43:04.75
Dec: a 46:04:08.6
90% Error Radius: b 9.3
Time to First Observation: c 65.29
Early Flux: d n/a
11 Hour Flux: d n/a
24 Hour Flux: d n/a
Initial Temporal Index: n/a
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 3728
V Magnitude: V>19.2
Other Filter Magnitudes: B>20.5
U>20.0
UVW2>20.1
White>21.1

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM)

Comments:

Due to a short visibility interval, no further XRT to UVOT data were immediately collected.
UVOT: no detection

References:

BAT: GCN 30250; GCN 30254
XRT: GCN 30250; GCN 30252; GCN 30312; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 30256
Radio:
Redshift:
Host:
Other: