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GRB 080430

Time: 19:53:02
Trigger Number: 310613
Burst Advocate: Cristiano Guidorzi

BAT Data:

RA: a 165.331
11:01:19.4
Dec: a 51.682
51:40:55.2
90% Error Radius: b 1.0
T90: c 16.2
Fluence: d 12 (1)
1s Peak Photon Flux: e 2.6 (0.2)
Photon Index: f 1.73, PL (0.09)

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 080430

XRT Data:

RA: a 11:01:14.73
Dec: a 51:41:07.8
90% Error Radius: b 1.4
Time to First Observation: c 48.87
Early Flux: d 126
11 Hour Flux: d 0.22321908
24 Hour Flux: d 0.09262728
Initial Temporal Index: -2.089
Spectral Index (Gamma): 2.03541
Column Density (NH): e 3.29518

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 11:01:14.66
Dec: a 51:41:08.4
90% Error Radius: b 0.5
Time to First Observation: c 164
V Magnitude: V=17.64
Other Filter Magnitudes: B=20.05
U=18.92
UVW1=18.89
UVM2=18.88
UVW2=19.24
White=17.08

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
~0.75 (Calar Alto: absorption, probable)
0.767 (Hobby-Eberly: absorption)
Host Galaxy:
Other Observatory Detections:
TAROT, BOOTES-1 (0.3m), Calar Alto (2.2m), AsU CAS Ondrejov (0.5m), Nicholas Copernicus Observatory (0.4m), Hobby-Eberly, Zeiss-600 (Mt.Terskol), AAVSO, NOT (2.5m), RTT150, OSN (1.5m), NainiTal (1.04m), Observatoire Chante-Perdix (0.5m), TLS, Vallauris (0.28m), Bologna Observatory (152cm)

Comments:

References:

BAT: GCN 7647; GCN 7656
XRT: GCN 7647; GCN 7652; GCN 7653; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 7647; GCN 7660
Radio:
Redshift: GCN 7650 (Calar Alto); GCN 7654 (Hobby-Eberly)
Host:
Other: GCN Report 139.1