Menu

GRB 120811C

Time: 15:34:52
Trigger Number: 530689
Burst Advocate: Brad Barlow

BAT Data:

RA: a 199.690
13:18:45.6
Dec: a 62.297
62:17:49.2
90% Error Radius: b 1.0
T90: c 26.8
Fluence: d 30 (3)
1s Peak Photon Flux: e 4.1 (0.2)
Photon Index: f 1.40, CPL (0.30)

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 120811C

XRT Data:

RA: a 13:18:43.94
Dec: a 62:18:02.1
90% Error Radius: b 1.4
Time to First Observation: c 68.67
Early Flux: d 297
11 Hour Flux: d 0.11858981
24 Hour Flux: d 0.04829129
Initial Temporal Index: -4.617
Spectral Index (Gamma): 1.92121
Column Density (NH): e 8.26457

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 13:18:43.82
Dec: a 62:18:02.8
90% Error Radius: b 0.52
Time to First Observation: c 76
V Magnitude: V+18.49
Other Filter Magnitudes: B=18.95
U=18.61
UVW1>20.0
UVM2>20.5
UVW2>19.7
White=18.59

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
2.671 (GTC: absorption)
2.67 {NOT: absorption)
Host Galaxy:
Other Observatory Detections:
MASTER II (Amur), RTT150, GTC (10.4m), NOT (2.5m), MASTER II (Tunka), Fermi (GBM), ISON-NM (0.45m), ISON-Kitab (0.4m)

Comments:

References:

BAT: GCN 13622; GCN 13634
XRT: GCN 13622; GCN 13625; GCN 13630; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13622; GCN 13629
Radio:
Redshift: GCN 13628 (GTC); GCN 13632 (NOT)
Host:
Other: GCN Report 378.1