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GRB 170428A

Time: 09:13:42
Trigger Number: 750298
Burst Advocate: Andy Beardmore

BAT Data:

RA: a 330.051
22:00:12.2
Dec: a 26.913
26:54:46.8
90% Error Radius: b 1.2
T90: c 0.20
Fluence: d 2.8 (0.2)
1s Peak Photon Flux: e 2.8 (0.2)
Photon Index: f 0.76, PL (0.12)

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)

XRT Data:

RA: a 22:00:18.75
Dec: a 26:54:56.9
90% Error Radius: b 2.3
Time to First Observation: c 84.63
Early Flux: d n/a
11 Hour Flux: d 0.0042248808
24 Hour Flux: d 0.00189823788
Initial Temporal Index: -1.026
Spectral Index (Gamma): 2.97704
Column Density (NH): e 3.852532

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 740
V Magnitude: V>20.0
Other Filter Magnitudes: B>21.0
U>19.5
UVW1>19.5
UVM2>20.UVW2>20.0

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Konus-Wind, MPG (2.2m), HJT (1.5m), DCT (4.3m), TNG (3.6m)

Comments:

UVOT: no detection

References:

BAT: GCN 21042; GCN 21046
XRT: GCN 21042; GCN 21047; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 21042; GCN 21049
Radio:
Redshift:
Host:
Other: