GRB 120817A
Time: 06:49:42
Trigger Number: 531267
Burst Advocate: Ben Gompertz
BAT Data:
RA: a | 250.692 16:42:46.1 |
Dec: a | -38.377 -38:22:37.2 |
90% Error Radius: b | 1.5 |
T90: c | 28.2 |
Fluence: d | 6.9 (0.6) |
1s Peak Photon Flux: e | 0.8 (0.1) |
Photon Index: f | 1.97, PL (0.16) |
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 | 16:42:45.38 |
Dec: a | -38:21:16.0 |
90% Error Radius: b | 1.8 |
Time to First Observation: c | 3110.77 |
Early Flux: d | n/a |
11 Hour Flux: d | 0.0489936 |
24 Hour Flux: d | 0.028357008 |
Initial Temporal Index: | -0.7009 |
Spectral Index (Gamma): | 2.01734 |
Column Density (NH): e | 5.7687 |
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 | 3115 |
V Magnitude: | V>20.2 |
Other Filter Magnitudes: | B>21.1 U>21.1 UVW1>20.3 UVM2>20.2 UVW2>20.0 White>20.4 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Faulkes North (2m), Faulkes South (2m)
Comments:
Due to an observing constraint, Swift did not slew until T0+50.1 minutes.
UVOT: no detection
References:
BAT: GCN 13661; GCN 13669
XRT: GCN 13662; GCN 13667; GCN 13673; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13701
Radio:
Redshift:
Host:
Other: GCN Report 385.1