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GRB 170604A

Time: 19:08:50
Trigger Number: 755867
Burst Advocate: Kim Page

BAT Data:

RA: a 342.645
22:50:34.8
Dec: a -15.406
-15:24:21.6
90% Error Radius: b 1.4
T90: c 26.70
Fluence: d 51 (4)
1s Peak Photon Flux: e 4.2 (0.9)
Photon Index: f 1.31, PL (0.12)

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 22:50:37.49
Dec: a -15:24:44.4
90% Error Radius: b 1.4
Time to First Observation: c 124.72
Early Flux: d n/a
11 Hour Flux: d 0.303459884
24 Hour Flux: d 0.111744724
Initial Temporal Index: -0.7636
Spectral Index (Gamma): 1.79412
Column Density (NH): e 1.4473

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 22:50:37.52
Dec: a -15:24:43.9
90% Error Radius: b 0.1
Time to First Observation: c 128
V Magnitude: V=18.94
Other Filter Magnitudes: B=19.26
U=18.51
UVW1=18.47
UVM2=18.58
UVW2=19.53
White=18.72

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.329 (GTC: absorption)
Host Galaxy:
Other Observatory Detections:
iTelescope T27 (0.70m), GTC (10.4m), MPG (2.2m), AbAO AS-32 (0.7m), HJT (1.5m), Konus-Wind

Comments:

References:

BAT: GCN 21191; GCN 21195
XRT: GCN 21191; GCN 21196; GCN 21198; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21207
Radio:
Redshift: GCN 21197 (GTC)
Host:
Other: