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GRB 150423A

Time: 06:28:04
Trigger Number: 638808
Burst Advocate: Claudio Pagani

BAT Data:

RA: a 221.601
14:46:24.2
Dec: a 12.264
12:15:50.4
90% Error Radius: b 1.9
T90: c 0.22
Fluence: d 0.63 (0.10)
1s Peak Photon Flux: e 0.9 (0.1)
Photon Index: f 0.84, PL (0.24)

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 150423A

XRT Data:

RA: a 14:46:18.96
Dec: a 12:17:00.6
90% Error Radius: b 1.6
Time to First Observation: c 70.12
Early Flux: d n/a
11 Hour Flux: d 0.007539672
24 Hour Flux: d 0.0035902482
Initial Temporal Index: -0.951
Spectral Index (Gamma): 1.53257
Column Density (NH): e 0.385306

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 73
V Magnitude: V>20.9
Other Filter Magnitudes: B>20.9
U>20.8
UVW1>20.9
UVM2>20.8
UVW1>21.6
white>21.5

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.394 (VLT: absorption, tentative)
Host Galaxy:
Other Observatory Detections:
MPG (2.2m), Keck I (10m), HJT (1.5m), VLT, UKIRT (3.8m)

Comments:

UVOT: no detection

References:

BAT: GCN 17728; GCN 17740
XRT: GCN 17728; GCN 17735; GCN 17737; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 17728; GCN 17739
Radio:
Redshift: GCN 17755 (VLT)
Host:
Other: