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GRB 070724A

Time: 10:53:50
Trigger Number: 285948
Burst Advocate: Houri Ziaeepour

BAT Data:

RA: a 27.824
01:51:17.8
Dec: a -18.610
-18:36:36.0
90% Error Radius: b 1.2
T90: c 0.4
Fluence: d 0.3 (0.07)
1s Peak Photon Flux: e 1.0 (0.2)
Photon Index: f 1.81, PL (0.33)

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 070724A

XRT Data:

RA: a 01:51:14.05
Dec: a -18:35:39.9
90% Error Radius: b 1.7
Time to First Observation: c 66.76
Early Flux: d 64.4
11 Hour Flux: d 0.000007968597
24 Hour Flux: d 0.0000010768191
Initial Temporal Index: -2.566
Spectral Index (Gamma): 1.64009
Column Density (NH): e 1.2966

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 58
V Magnitude: V>19.5
Other Filter Magnitudes: B>20.3
U>20.0
UVW1>20.4
UVM2>20.4
UVW2>20.7
White>20.4

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
0.457 (Gemini South: emission, from host)
0.457 (VLT: emission, from host)
Host Galaxy:
proposed host from DSS also detected with UKIRT, Palomar 60", Gemini South, & VLT
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 6654; GCN 6656
XRT: GCN 6654; GCN 6659; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 6654; GCN 6660
Radio:
Redshift: GCN 6665 (Gemini South); GCN 6666 (VLT)
Host: GCN 6658 (DSS); GCN 6662 (UKIRT); GCN 6664 (Palomar); GCN 6665 (Gemini South); GCN 6666 (VLT)
Other: GCN Report 74.1
GCN Report 74.2