GRB 080804
Time: 23:20:14
Trigger Number: 319016
Burst Advocate: Judy Racusin
BAT Data:
RA: a | 328.675 21:54:42.0 |
Dec: a | -53.189 -53:11:20.4 |
90% Error Radius: b | 1.2 |
T90: c | 34 |
Fluence: d | 36 (2) |
1s Peak Photon Flux: e | 3.1 (0.4) |
Photon Index: f | 1.19, PL (0.09) |
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:
XRT Data:
RA: a | 21:54:40.11 |
Dec: a | -53:11:05.3 |
90% Error Radius: b | 1.4 |
Time to First Observation: c | 99.04 |
Early Flux: d | 55 |
11 Hour Flux: d | 0.0682385 |
24 Hour Flux: d | 0.028811486 |
Initial Temporal Index: | -1.105 |
Spectral Index (Gamma): | 1.81617 |
Column Density (NH): e | 1.36745 |
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 | 21:54:40.2 |
Dec: a | -53:11:04.6 |
90% Error Radius: b | 0.4 |
Time to First Observation: c | 91 |
V Magnitude: | V=17.17 |
Other Filter Magnitudes: | B=18.1 U=17.4 UVW1=20.9 UVM2>20.8 UVW2>21.8 White=16.83 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:2.2045 (VLT: absorption)Host Galaxy:
2.20 (Gemini-South: absorption)
Other Observatory Detections:
ROTSE-IIIc, VLT, Faulkes South, Gemini-South, ESO/MPI (2.2m)
Comments:
References:
BAT: GCN 8057; GCN 8067
XRT: GCN 8057; GCN 8066; GCN 8070; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 8057; GCN 8069
Radio:
Redshift: GCN 8058 (VLT); GCN 8065 (Gemini-South)
Host:
Other: GCN Report 158.1