Menu

GRB 160804A

Time: 01:32:47
Trigger Number: 707231
Burst Advocate: Frank Marshall

BAT Data:

RA: a 221.652
14:46:36.5
Dec: a 10.002
10:00:07.2
90% Error Radius: b 1.3
T90: c 144.2
Fluence: d 114 (3)
1s Peak Photon Flux: e 2.9 (0.3)
Photon Index: f 1.40, CPL (0.23)

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)

BAT Light Curve:

BAT Light Curve for GRB 160804A

XRT Data:

RA: a 14:46:31.20
Dec: a 09:59:55.9
90% Error Radius: b 1.4
Time to First Observation: c 147
Early Flux: d n/a
11 Hour Flux: d 0.127791934
24 Hour Flux: d 0.064234497
Initial Temporal Index: -1.588
Spectral Index (Gamma): 1.87827
Column Density (NH): e 2.00515

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 14:46:31.14
Dec: a 09:59:56.7
90% Error Radius: b 0.44
Time to First Observation: c 82
V Magnitude: V>19.9
Other Filter Magnitudes: B=20.4
U=19.53
UVW1=18.90
UVM2>18.7
UVW2>19.5
White=18.56

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.736 (VLT: absorption & emission)
Host Galaxy:
possible host: MASTER-SAAO, TNG
Other Observatory Detections:
MASTER-SAAO, Fermi (GBM), TNG, SAO RAS (6m), VLT, MPG (2.2m), SANTEL-650 (0.65m), Zeiss-1000 (1m), HJT (1.5m), AMI @ 15 GHz

Comments:

References:

BAT: GCN 19761; GCN 19765
XRT: GCN 19761; GCN 19762; GCN 19763; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 19764
Radio: GCN 19813 (AMI)
Redshift: GCN 19773 (VLT)
Host: GCN 19768 (MASTER-SAAO); GCN 19770 (TNG)
Other: