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GRB 191004A

Time: 18:07:02
Trigger Number: 927825
Burst Advocate: Brad Cenko

BAT Data:

RA: a 31.716
02:06:51.8
Dec: a -36.932
-36:55:55.2
90% Error Radius: b 1.1
T90: c 2.44
Fluence: d 13 (1)
1s Peak Photon Flux: e 7.8 (0.5)
Photon Index: f 1.35, PL (0.08)

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 02:06:40.44
Dec: a -36:55:59.2
90% Error Radius: b 1.7
Time to First Observation: c 81.53
Early Flux: d n/a
11 Hour Flux: d 0.0041308544
24 Hour Flux: d 0.0006392739
Initial Temporal Index: -0.7591
Spectral Index (Gamma): 1.80978
Column Density (NH): e 0.600072

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 84
V Magnitude: V>18.06
Other Filter Magnitudes: B>18.83
U>19.60
UVW1>17.89
UVM2>18.00
UVW2>18.28
White=19.78

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
MASTER-SAAO, LCO (1m), Konus-Wind, CALET (CGBM)

Comments:

UVOT: Results from the list of sources generated on-board shows an optical source consistent with the XRT position. Because there was not automatic aspect solution for the image, the precise position and magnitude will be reported later.

References:

BAT: GCN 25945; GCN 25953
XRT: GCN 25945; GCN 25950; GCN 25957; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 25945; GCN 25972
Radio:
Redshift:
Host:
Other: