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GRB 120804A

Time: 00:54:14
Trigger Number: 529686
Burst Advocate: A. Lien

BAT Data:

RA: a 233.951
15:35:48.2
Dec: a -28.768
-28:46:04.8
90% Error Radius: b 1.0
T90: c 0.81
Fluence: d 8.8 (0.5)
1s Peak Photon Flux: e 10.8 (0.6)
Photon Index: f 1.34, PL (0.08)

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 120804A

XRT Data:

RA: a 15:35:47.51
Dec: a -28:46:56.9
90% Error Radius: b 1.4
Time to First Observation: c 93.64
Early Flux: d n/a
11 Hour Flux: d 0.033590955
24 Hour Flux: d 0.014205566
Initial Temporal Index: -1.103
Spectral Index (Gamma): 2.05668
Column Density (NH): e 4.05642

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 n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c 96
V Magnitude: V>20.6
Other Filter Magnitudes: B>20.9
U>21.3
UVW1>20.3
UVM2>21.3
UVW2>21.0
White>22.0

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Gemini-North: likely host
Other Observatory Detections:
Gemini-North, EVLA @ 5.8 GHz, Konus-Wind, Chandra, XMM-Newton

Comments:

UVOT: no detection

References:

BAT: GCN 13573; GCN 13581; GCN 13614
XRT: GCN 13573; GCN 13577; GCN 13580; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13573; GCN 13582
Radio: GCN 13587 (EVLA)
Redshift:
Host: GCN 13606 (Gemini-North)
Other: GCN Report 391.1