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GRB 050509A

Time: 01:46:29
Trigger Number: 118707
Burst Advocate: Cheryl Hurkett

BAT Data:

RA: a 310.573
20:42:17.5
Dec: a 54.076
54:04:33.6
90% Error Radius: b 1.2
T90: c 11.400
Fluence: d 3.41 (0.34)
1s Peak Photon Flux: e 0.90 (0.12)
Photon Index: f 2.11, PL (0.18)

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 050509A

XRT Data:

RA: a 20:42:20.06
Dec: a 54:04:16.5
90% Error Radius: b 2.5
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.024243912
24 Hour Flux: d 0.010859156
Initial Temporal Index: -1.029
Spectral Index (Gamma): 2.17559
Column Density (NH): e 4.948

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 52
V Magnitude: V>18.23
Other Filter Magnitudes: UVW1>18.97
UVM2>20.29

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:

Comments:

UVOT: observations were interrupted by GRB050509B

References:

BAT: GCN 3379; GCN 3407; TS table 9/13/05, 9/24/05; arXiv:0707.4626
XRT: GCN 3379; GCN 3380; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 3379; GCN 3394
Radio:
Redshift:
Host:
Other: