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: