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GRB 070420

Time: 06:18:14
Trigger Number: 276321
Burst Advocate: Mike Stamatikos

BAT Data:

RA: a 121.245
08:04:58.8
Dec: a -45.564
-45:33:50.4
90% Error Radius: b 1.0
T90: c 76.500
Fluence: d 140.00 (4.48)
1s Peak Photon Flux: e 7.12 (0.76)
Photon Index: f 1.2, CPL (-0.2/0.2)

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 070420

XRT Data:

RA: a 08:04:55.19
Dec: a -45:33:20.9
90% Error Radius: b 1.4
Time to First Observation: c 100.68
Early Flux: d 100
11 Hour Flux: d 0.26510867
24 Hour Flux: d 0.06948339
Initial Temporal Index: -4.451
Spectral Index (Gamma): 1.97643
Column Density (NH): e 4.07489

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 08:04:55.17
Dec: a -45:33:20.0
90% Error Radius: b 0.2
Time to First Observation: c 90
V Magnitude: V=17.9
Other Filter Magnitudes: B=18.8
U=21.1
UVW1>20.4
UVM2>20.8
UVW2>20.8
White=17.4

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
REM (60cm), TAROT (25cm), Faulkes South (2m), B&C (0.6m), Konus-Wind, CTIO (1.3m)

Comments:

References:

BAT: GCN 6330; GCN 6342; arXiv:0707.4626
XRT: GCN 6330; GCN 6337; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 6330; GCN 6336
Radio:
Redshift:
Host:
Other: GCN Report 48.1