GRB 201216C

Time: 23:07:31
Trigger Number: 1013243
Burst Advocate: Andy Beardmore

BAT Data:

RA: a 16.364
Dec: a 16.538
90% Error Radius: b 1.0
T90: c 48.0
Fluence: d 450 (10)
1s Peak Photon Flux: e 18.0 (1.1)
Photon Index: f 1.43, PL (0.03)

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 01:05:28.88
Dec: a 16:30:58.0
90% Error Radius: b 1.4
Time to First Observation: c 2966.80
Early Flux: d n/a
11 Hour Flux: d 0.21505806
24 Hour Flux: d 0.04574346
Initial Temporal Index: -2.09
Spectral Index (Gamma): 2.03
Column Density (NH): e 5.6

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 2970
V Magnitude: V>19.1
Other Filter Magnitudes: B>19.9

a J2000; b arcsec; c seconds

Other Burst Info:

1.10 (VLT: likely redshift)
Host Galaxy:
Other Observatory Detections:
Fermi (GBM), VLT, FRAM-ORM (25cm), AstroSat CZTI, MAGIC, Konus-Wind. Liverpool (2.0m)


Due to an observing constraint, Swift did not slew until T0+46.8 minutes.
UVOT: no detection


BAT: GCN 29061; GCN 29080
XRT: GCN 29064; GCN 29067; GCN 29278; GCN 29280; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29071
Redshift: GCN 29077 (VLT)