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GRB 170804A

Time: 12:01:37
Trigger Number: 766194
Burst Advocate: Aaron Cholden-Brown

BAT Data:

RA: a 6.404
00:25:37.0
Dec: a -64.781
-64:46:51.6
90% Error Radius: b 1.3
T90: c 43.4
Fluence: d 13 (1)
1s Peak Photon Flux: e 0.9 (0.2)
Photon Index: f 1.67, PL (0.13)

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 170804A

XRT Data:

RA: a 00:25:34.20
Dec: a -64:47:03.5
90% Error Radius: b 1.5
Time to First Observation: c 122.57
Early Flux: d 53.7
11 Hour Flux: d 0.0106162875
24 Hour Flux: d 0.00499395
Initial Temporal Index: -2.829
Spectral Index (Gamma): 1.95661
Column Density (NH): e 0.17869500177393

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 00:25:34.29
Dec: a -64:47:03.1
90% Error Radius: b 0.5
Time to First Observation: c 132
V Magnitude: V>18.7
Other Filter Magnitudes: B=18.9
UVW1>19.0
UVW2>19.2
White=20.0

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

References:

BAT: GCN 21410; GCN 21416
XRT: GCN 21410; GCN 21413; GCN 21414; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21410; GCN 21415
Radio:
Redshift:
Host:
Other: