GRB 120311A
Time: 05:33:38
Trigger Number: 517469
Burst Advocate: Craig Markwardt
BAT Data:
RA: a | 273.075 18:12:18.0 |
Dec: a | 14.297 14:17:49.2 |
90% Error Radius: b | 1.1 |
T90: c | 3.5 |
Fluence: d | 3.0 (0.3) |
1s Peak Photon Flux: e | 3.2 (0.2) |
Photon Index: f | 2.30, PL (0.15) |
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 | 18:12:22.11 |
Dec: a | 14:17:46.4 |
90% Error Radius: b | 1.5 |
Time to First Observation: c | 3161.63 |
Early Flux: d | n/a |
11 Hour Flux: d | 0.03487688 |
24 Hour Flux: d | 0.01573496 |
Initial Temporal Index: | -1.02 |
Spectral Index (Gamma): | 1.99694 |
Column Density (NH): e | 2.47934 |
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 | 3164 |
V Magnitude: | V>15.8 |
Other Filter Magnitudes: | B>16.4 U>16.3 UVW1>17.7 UVM2>19.0 UVW2>19.2 White>16.5 |
a J2000; b arcsec; c seconds
Other Burst Info:
Redshift:Host Galaxy:
Other Observatory Detections:
Liverpool (2m), CAHA (1.23m), MPI/ESO (2.2m), VLT
Comments:
Due to an observing constraint, Swift did not slew until T0+50.1 minutes.
UVOT: no detection
References:
BAT: GCN 13032; GCN 13039
XRT: GCN 13034; GCN 13035; GCN 13043; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13037
Radio:
Redshift:
Host:
Other: