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GRB 050724

Time: 12:34:09
Trigger Number: 147478
Burst Advocate: Stefano Covino

BAT Data:

RA: a 246.175
16:24:42.0
Dec: a -27.526
-27:31:33.6
90% Error Radius: b 1.9
T90: c 96.000
Fluence: d 9.98 (1.20)
1s Peak Photon Flux: e 3.26 (0.30)
Photon Index: f 1.89, PL (0.22)

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 050724

XRT Data:

RA: a 16:24:44.33
Dec: a -27:32:27.2
90% Error Radius: b 1.5
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.007006996
24 Hour Flux: d 0.0030381528
Initial Temporal Index: -0.007711
Spectral Index (Gamma): 1.80056
Column Density (NH): e 1.43376

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 n/a
V Magnitude: V>18.84
Other Filter Magnitudes: n/a

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.257 (GMOS: absorption)
0.258 (Keck: absorption)
Host Galaxy:
DSS: possible host galaxy
Other Observatory Detections:
optical, near-IR, RXTE ASM, GMOS, VLA @ 8.5GHz

Comments:

short GRB
XRT: dust-scattered X-ray halo detected

References:

BAT: GCN 3665; GCN 3667; TS table 9/13/05, 9/24/05; arXiv:0707.4626
XRT: GCN 3665; GCN 3669; GCN 3678; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 3670
Radio: GCN 3676; GCN 3684
Redshift: GCN 3679 (GMOS); GCN 3700 (Keck)
Host: GCN 3666
Other: Nature, 438, 994, 2005
ApJ, 639, 323, 2006