GRB 150428A

Time: 01:30:40
Trigger Number: 639275
Burst Advocate: Kim Page

BAT Data:

RA: a 188.539
Dec: a 6.967
90% Error Radius: b 1.2
T90: c 53.2
Fluence: d 63 (3)
1s Peak Photon Flux: e 3.0 (0.5)
Photon Index: f 1.28, 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 150428A

XRT Data:

RA: a 12:34:09.22
Dec: a 06:57:13.2
90% Error Radius: b 1.9
Time to First Observation: c 175.90
Early Flux: d n/a
11 Hour Flux: d 0.207219932
24 Hour Flux: d 0.11550832
Initial Temporal Index: -0.7491
Spectral Index (Gamma): 2.01234
Column Density (NH): e 5.334497

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 179
V Magnitude: n/a
Other Filter Magnitudes: U>19.9

a J2000; b arcsec; c seconds

Other Burst Info:

Host Galaxy:
Other Observatory Detections:
La Silla (1.56m), Konus-Wind


UVOT: no detection


BAT: GCN 17765; GCN 17774
XRT: GCN 17765; GCN 17768; GCN 17777; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 17765; GCN 17785