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GRB 150309A

Time: 23:03:06
Trigger Number: 634200
Burst Advocate: Jay Cummings

BAT Data:

RA: a 277.004
18:28:01.0
Dec: a 86.417
86:25:01.2
90% Error Radius: b 1.9
T90: c 242
Fluence: d 170 (0)
1s Peak Photon Flux: e 9.0 (0.3)
Photon Index: f 1.05, CPL (0.16)

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 150309A

XRT Data:

RA: a 18:28:24.48
Dec: a 86:25:44.1
90% Error Radius: b 1.5
Time to First Observation: c 131.50
Early Flux: d 273
11 Hour Flux: d 0.143487394
24 Hour Flux: d 0.057455328
Initial Temporal Index: -2.322
Spectral Index (Gamma): 1.91419
Column Density (NH): e 2.801552

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 140
V Magnitude: V>19.3
Other Filter Magnitudes: B>20.8
U>21.1
UVW1>20.8
UVM2>20.1
UVW2>20.3
White>21.1

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM), Konus-Wind

Comments:

UVOT: no detection

References:

BAT: GCN 17553; GCN 17562
XRT: GCN 17553; GCN 17555; GCN 17557; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 17553; GCN 17559
Radio:
Redshift:
Host:
Other: