Menu

GRB 071031

Time: 01:06:36
Trigger Number: 295670
Burst Advocate: Mike Stroh

BAT Data:

RA: a 6.399
00:25:35.8
Dec: a -58.048
-58:02:52.8
90% Error Radius: b 2.1
T90: c 180
Fluence: d 9.0 (1.3)
1s Peak Photon Flux: e 0.5 (0.1)
Photon Index: f 2.42, PL (0.29)

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 071031

XRT Data:

RA: a 00:25:37.38
Dec: a -58:03:33.1
90% Error Radius: b 1.5
Time to First Observation: c 102.80
Early Flux: d 522
11 Hour Flux: d 0.021756813
24 Hour Flux: d 0.009918051
Initial Temporal Index: 1.5
Spectral Index (Gamma): 1.78089
Column Density (NH): e 0.0000893255

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 00:25:37.27
Dec: a -58:03:34.2
90% Error Radius: b 0.5
Time to First Observation: c 114
V Magnitude: V=19.08
Other Filter Magnitudes: B=20.25
U=19.38
UVW1>21.41
UVM2>21.23
UVW2>21.46
White=19.88

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
2.692 (VLT)
Host Galaxy:
Other Observatory Detections:
MPI/ESO (2.2m), PROMPT (16"), VLT, CTIO (1.3m)

Comments:

References:

BAT: GCN 7020; GCN 7029
XRT: GCN 7020; GCN 7027; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 7020; GCN 7028
Radio:
Redshift: GCN 7023 (VLT)
Host:
Other: GCN Report 99.1