The Swift Gamma-Ray Burst Mission Italian site U.K. site

GRB 121011A

Redshift:
Host Galaxy:
Other Observatory Detections:
MITSuME (50cm), Xinglong TNT, MASTER II, TNG, VT-50 (0.5m), NOT (2.5m), Fermi (LAT & GBM), Nainital (1.04m), Suzaku

Time: 11:15:30
Trigger Number: 535764
Burst Advocate: Judy Racusin

Burst Alert Telescope (BAT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
T90 b Fluence c
(15-150 keV)
1-sec Peak d
Photon Flux
(15-150 keV)
Photon Index e
(15-150 keV)
260.204
17:20:49.0
41.123
41:07:22.8
1.8 75.6 27 (7) 1.2 (0.3) 0.10, CPL (0.73)

90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law

X-Ray Telescope (XRT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Early Flux c
(0.3-10 keV)
11 Hour Flux c
(0.3-10 keV)
24 Hour Flux c
(0.3-10 keV)
Initial d
LC Index
Spectral
Index
(Gamma)
Column e
Density
(NH)
17:20:51.31 41:06:36.5 1.6 97.54 63.6 0.0063048 0.00189248 -1.543 1.72814 0.234170798

a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2

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.

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UltraViolet/Optical Telescope (UVOT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Magnitude Other Filter
Magnitudes
17:20:51.23 41:06:37.1 0.52 109 V=19.81 B=19.51
U=19.67
UVW1>20.9
UVM2>22.6
UVW2>21.0
White=18.96

a arcsec; b seconds

Comments:

References:

BAT: GCN 13845; GCN 13852
XRT: GCN 13845; GCN 13850; GCN 13857; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13845; GCN 13864
Radio:
Redshift:
Host:
Other:

BAT Light Curve:

BAT Light Curve for GRBblc/121011A.png