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GRB 090201

Time: 17:47:02
Trigger Number: 341749
Burst Advocate: Sam Oates

BAT Data:

RA: a 92.051
06:08:12.2
Dec: a -46.604
-46:36:14.4
90% Error Radius: b 1.0
T90: c 83
Fluence: d 300 (10)
1s Peak Photon Flux: e 14.7 (1.0)
Photon Index: f 0.88, CPL (0.18)

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 090201

XRT Data:

RA: a 06:08:12.52
Dec: a -46:35:25.0
90% Error Radius: b 1.4
Time to First Observation: c 2835.85
Early Flux: d n/a
11 Hour Flux: d 0.26679192
24 Hour Flux: d 0.08923978
Initial Temporal Index: -0.6582
Spectral Index (Gamma): 2.26179
Column Density (NH): e 5.27644

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 3668
V Magnitude: V>20.63
Other Filter Magnitudes: B>21.38
U>21.15
UVW1>20.16
UVM2>20.53
UVW2>20.03
White>21.53

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
VLT, Konus-Wind

Comments:

Due to an observing constraint, Swift will not slew until T0+45.3 minutes. There will be no XRT or UVOT data until this time.
UVOT: no detection

References:

BAT: GCN 8865; GCN 8870
XRT: GCN 8868; GCN 8872; GCN 8875; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 8874
Radio:
Redshift:
Host:
Other: GCN Report 197.1