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GRB 070520B

Time: 17:44:53
Trigger Number: 279898
Burst Advocate: Alberto Moretti

BAT Data:

RA: a 121.886
08:07:32.6
Dec: a 57.588
57:35:16.8
90% Error Radius: b 1.8
T90: c 65.800
Fluence: d 9.25 (1.09)
1s Peak Photon Flux: e 0.43 (0.14)
Photon Index: f 1.14, PL (0.21)

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 070520B

XRT Data:

RA: a 08:07:31.27
Dec: a 57:36:29.3
90% Error Radius: b 1.8
Time to First Observation: c 98.06
Early Flux: d 151
11 Hour Flux: d 0.00103446
24 Hour Flux: d 0.0002361066
Initial Temporal Index: -1.894
Spectral Index (Gamma): 2.38305
Column Density (NH): e 2.24361

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 107
V Magnitude: V>20.1
Other Filter Magnitudes: B>20.3
U>20.0
UVW1>19.9
UVM2>20.5
UVW2>20.9
White>20.3

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: no detection

References:

BAT: GCN 6425; GCN 6429; arXiv:0707.4626
XRT: GCN 6425; GCN 6438; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 6425; GCN 6442
Radio:
Redshift:
Host:
Other: GCN Report 59.1