GRB 201221D

Time: 23:06:34
Trigger Number: 1014037
Burst Advocate: Kim Page

BAT Data:

RA: a 171.055
Dec: a 42.152
90% Error Radius: b 1.3
T90: c 0.16
Fluence: d 3.9 (0.4)
1s Peak Photon Flux: e 5.6 (0.5)
Photon Index: f 1.56, PL (0.13)

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 11:24:14.15
Dec: a 42:08:36.6
90% Error Radius: b 4.3
Time to First Observation: c 87.42
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): 1.28331
Column Density (NH): e 0.0000000000346299

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 92
V Magnitude: V>19.2
Other Filter Magnitudes: U>19.4

a J2000; b arcsec; c seconds

Other Burst Info:

1.046 (GTC: emission/absorption)
Host Galaxy:
g=23.2 (Archival PS1 Imaging of the Putative Host Galaxy)
Other Observatory Detections:
NOT, Lowell Discovery Telescope (4.3m), Konus-Wind, GTC (10.4m), Fermi (GBM), MTT, DOT (3.6m)


UVOT: no detection


BAT: GCN 29112; GCN 29139
XRT: GCN 29112; GCN 29113; GCN 29119; GCN 29124; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 29112; GCN 29129
Redshift: GCN 29132 (GTC)
Host: GCN 29133 (Archival PS1)