GRB 191228A

Time: 00:01:19
Trigger Number: 946476
Burst Advocate: Maria Grazia Bernardini

BAT Data:

RA: a 5.341
Dec: a -8.650
90% Error Radius: b 2.4
T90: c 166.9
Fluence: d 20 (2)
1s Peak Photon Flux: e 0.6 (0.2)
Photon Index: f 2.06, PL (0.14)

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 00:21:23.24
Dec: a -08:40:58.2
90% Error Radius: b 1.4
Time to First Observation: c 123.41
Early Flux: d 1260
11 Hour Flux: d 0.153419651
24 Hour Flux: d 0.070952211
Initial Temporal Index: -2.824
Spectral Index (Gamma): 2.16743
Column Density (NH): e 3.546255

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 131
V Magnitude: V>18.2
Other Filter Magnitudes: B>19.2

a J2000; b arcsec; c seconds

Other Burst Info:

Host Galaxy:
Other Observatory Detections:


UVOT: no detection