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GRB 090404

Time: 15:56:30
Trigger Number: 348428
Burst Advocate: Houri Ziaeepour

BAT Data:

RA: a 239.233
15:56:55.9
Dec: a 35.518
35:31:04.8
90% Error Radius: b 1.0
T90: c 84
Fluence: d 30 (1)
1s Peak Photon Flux: e 1.9 (0.2)
Photon Index: f 2.32, PL (0.08)

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 090404

XRT Data:

RA: a 15:56:57.49
Dec: a 35:30:57.8
90% Error Radius: b 1.4
Time to First Observation: c 87.32
Early Flux: d 6300
11 Hour Flux: d 0.17221446
24 Hour Flux: d 0.07000983
Initial Temporal Index: -4.509
Spectral Index (Gamma): 2.57252
Column Density (NH): e 3.85937

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 96
V Magnitude: V>18.58
Other Filter Magnitudes: U>20.17
B>19.35
UVW1>18.45
UVM2>18.54
UVW2>19.09
White>20.92

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Plateau de Bure Interferometer

Comments:

UVOT: no detection

References:

BAT: GCN 9086; GCN 9089
XRT: GCN 9086; GCN 9088; GCN 9091; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9086; GCN 9094
Radio: GCN 9100 (Plateau de Bure Interferometer)
Redshift:
Host:
Other: GCN Report 209.1