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GRB 061021

Time: 15:39:08
Trigger Number: 234905
Burst Advocate: Alberto Moretti

BAT Data:

RA: a 145.146
09:40:35.0
Dec: a -21.953
-21:57:10.8
90% Error Radius: b 1.0
T90: c 46.200
Fluence: d 29.60 (1.01)
1s Peak Photon Flux: e 6.11 (0.27)
Photon Index: f 1.30, PL (0.06)

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 061021

XRT Data:

RA: a 09:40:36.11
Dec: a -21:57:05.3
90% Error Radius: b 1.4
Time to First Observation: c 72.79
Early Flux: d 268
11 Hour Flux: d 0.32195809
24 Hour Flux: d 0.14521797
Initial Temporal Index: -2.008
Spectral Index (Gamma): 1.99282
Column Density (NH): e 0.743722

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 09:40:36.12
Dec: a -21:57:05.4
90% Error Radius: b 0.6
Time to First Observation: c 80
V Magnitude: V=16.76
Other Filter Magnitudes: B=19.15
U=18.18
UVW1=17.94
UVM2=17.63
UVW2=18.02
White=15.09

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.3463 (Fynbo)
Host Galaxy:
Other Observatory Detections:
VLT, Konus-Wind

Comments:

BAT: long burst not short with extended emission

References:

BAT: GCN 5743; GCN 5744; GCN 5749; arXiv:0707.4626
XRT: GCN 5743; GCN 5746; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 5743; GCN 5745
Radio:
Redshift: Fynbo et al. 2009
Host:
Other: GCN Report 9.1