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GRB 180728A

Time: 17:29:00
Trigger Number: 850471
Burst Advocate: Rhaana Starling

BAT Data:

RA: a 253.574
16:54:17.8
Dec: a -54.037
-54:02:13.2
90% Error Radius: b 1.0
T90: c 8.68
Fluence: d 296 (6)
1s Peak Photon Flux: e 132.0 (2.9)
Photon Index: f 1.97, 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 16:54:15.59
Dec: a -54:02:40.2
90% Error Radius: b 1.4
Time to First Observation: c 1730.81
Early Flux: d 79.2
11 Hour Flux: d 3.4480866
24 Hour Flux: d 1.48441485
Initial Temporal Index: -0.5559
Spectral Index (Gamma): 1.70111
Column Density (NH): e 3.866656

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 16:54:15.53
Dec: a -54:02:40.2
90% Error Radius: b 0.43
Time to First Observation: c 1740
V Magnitude: V=16.07
Other Filter Magnitudes: B=16.58
U=15.93
UVW1=16.20
UVM2=16.60
UVW2=16.37
White=16.25

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.117 (VLT: absorption)
Host Galaxy:
Other Observatory Detections:
MASTER-SAAO, Fermi (GBM), VLT, Konus-Wind, Astrosat (CZTI)

Comments:

Due to an observing constraint, Swift did not slew until T0+23.6 minutes.

References:

BAT: GCN 23046; GCN 23054
XRT: GCN 23049; GCN 23051; GCN 23052; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 23064
Radio:
Redshift: GCN 23055 (VLT)
Host:
Other: