GRB 090417B

Time: 15:20:03
Trigger Number: 349450
Burst Advocate: Boris Sbarufatti

BAT Data:

RA: a	209.687 13:58:44.9
Dec: a	47.015 47:00:54.0
90% Error Radius: b	~1
T90: c	>260
Fluence: d	23 (2)
1s Peak Photon Flux: e	0.3 (0.1)
Photon Index: f	1.85, PL (0.14)

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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:

XRT Data:

RA: a	13:58:46.68
Dec: a	47:01:04.7
90% Error Radius: b	1.4
Time to First Observation: c	387.05
Early Flux: d	277
11 Hour Flux: d	0.4732211
24 Hour Flux: d	0.1605714
Initial Temporal Index:	0.2867
Spectral Index (Gamma):	2.05089
Column Density (NH): e	10.4769

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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	395
V Magnitude:	V>21.3
Other Filter Magnitudes:	U>22.0 B>21.9 UVW1>22.2 UVM2>21.8 UVW2>22.0 White>22.6

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^a J2000; ^b arcsec; ^c seconds

Comments:

UVOT: no detection

References:

BAT: GCN 9135; GCN 9139; GCN 9153; GCN 9173
XRT: GCN 9135; GCN 9155; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9135; GCN 9174
Radio:
Redshift:
Host:
Other: GCN Report 213.1