GRB 090423

Time: 07:55:19
Trigger Number: 350184
Burst Advocate: Hans Krimm

BAT Data:

RA: a 148.891
Dec: a 18.165
90% Error Radius: b 1.1
T90: c 10.3
Fluence: d 5.9 (0.4)
1s Peak Photon Flux: e 1.7 (0.2)
Photon Index: f 0.80, CPL (0.50)

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 090423

XRT Data:

RA: a 09:55:33.26
Dec: a 18:08:57.9
90% Error Radius: b 1.4
Time to First Observation: c 72.48
Early Flux: d n/a
11 Hour Flux: d 0.04166331
24 Hour Flux: d 0.013979004
Initial Temporal Index: -1.36
Spectral Index (Gamma): 1.8158
Column Density (NH): e 56.4459

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 77
V Magnitude: V>19.6
Other Filter Magnitudes: B>20.2

a J2000; b arcsec; c seconds

Other Burst Info:

8.0 (MPI/ESO: photometric)
~8.1 (TNG)
Host Galaxy:
Other Observatory Detections:
UKIRT, Gemini-North, MPI/ESO (2.2m), TNG (3.6m), Okayama Astrophysical Observatory (188cm), Fermi (GBM), Plateau de Bure Interferometer, Spitzer


UVOT: no detection