GRB 090812
Time: 06:02:08
Trigger Number: 359711
Burst Advocate: Michael Stamatikos
BAT Data:
RA: a | 353.20 23:32:48.0 |
Dec: a | -10.609 -10:36:32.4 |
90% Error Radius: b | 1.0 |
T90: c | 66.7 |
Fluence: d | 58 (2) |
1s Peak Photon Flux: e | 3.6 (0.2) |
Photon Index: f | 1.24, PL (0.05) |
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 | 23:32:48.56 |
Dec: a | -10:36:17.5 |
90% Error Radius: b | 1.4 |
Time to First Observation: c | 76.82 |
Early Flux: d | 495 |
11 Hour Flux: d | 0.11709094 |
24 Hour Flux: d | 0.04648606 |
Initial Temporal Index: | -2.317 |
Spectral Index (Gamma): | 1.88559 |
Column Density (NH): e | 5.99391 |
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 | 23:32:48.53 |
Dec: a | -10:36:17.3 |
90% Error Radius: b | 0.78 |
Time to First Observation: c | 86 |
V Magnitude: | V=18.17 |
Other Filter Magnitudes: | B=18.62 U=18.65 UVW1>19.20 UVM2>18.72 UVW2>19.13 White=17.35 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:2.452 (VLT: absorption)Host Galaxy:
Other Observatory Detections:
Palomar (60"), Liverpool (2m), VLT, ESO/MPI (2.2m), RAPTOR, Faulkes South, Suzaku, Konus-Wind, PROMPT (16")
Comments:
References:
BAT: GCN 9768; GCN 9775
XRT: GCN 9768; GCN 9772; GCN 9777; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9768; GCN 9774
Radio:
Redshift: GCN 9771 (VLT)
Host:
Other: