GRB 191016A

Time: 04:09:00
Trigger Number: 929744
Burst Advocate: Jeff Gropp

BAT Data:

RA: a 30.268
Dec: a 24.508
90% Error Radius: b 1.5
T90: c 219.70
Fluence: d 65 (4)
1s Peak Photon Flux: e 1.5 (0.2)
Photon Index: f 1.55, PL (0.09)

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 02:01:04.64
Dec: a 24:30:35.6
90% Error Radius: b 1.9
Time to First Observation: c 45000
Early Flux: d n/a
11 Hour Flux: d 0.121645968
24 Hour Flux: d 0.0274347568
Initial Temporal Index: -1.909
Spectral Index (Gamma): 1.91708
Column Density (NH): e 1.394667

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 02:01:04.68
Dec: a 24:30:35.7
90% Error Radius: b 0.5
Time to First Observation: c 45023
V Magnitude: n/a
Other Filter Magnitudes: White=21.09

a J2000; b arcsec; c seconds

Other Burst Info:

Host Galaxy:
Other Observatory Detections:
COATLI (50cm), KAIT (0.76m), HJT (1.5m), BOOTES Network, OSN (1.5m), AZT-20, MITSuME (50cm), REM (60cm), MPG (2.2m)


Due to a Moon observing constraint, Swift did not slew to the BAT position until 15:17 UT on 2019 October 16.


BAT: GCN 26008; GCN 26012
XRT: GCN 26026; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 26024