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GRB 090621B

Time: 22:07:25
Trigger Number: 355359
Burst Advocate: Peter Curran

BAT Data:

RA: a 313.455
20:53:49.2
Dec: a 69.034
69:02:02.4
90% Error Radius: b 1.7
T90: c 0.14
Fluence: d 0.70 (0.10)
1s Peak Photon Flux: e 3.9 (0.5)
Photon Index: f 0.82, PL (0.23)

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 090621B

XRT Data:

RA: a 20:53:52.96
Dec: a 69:01:41.4
90% Error Radius: b 4.1
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.0021092344
24 Hour Flux: d 0.0012116494
Initial Temporal Index: -0.7106
Spectral Index (Gamma): 3.71738
Column Density (NH): e 7.65911

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 76
V Magnitude: V>20.67
Other Filter Magnitudes: B>21.88
U>21.77
UVW1>21.63
UVM2>21.32
UVW2>20.50
White>22.29

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
Host Galaxy:
Other Observatory Detections:
Fermi (GBM)

Comments:

UVOT: no detection

References:

BAT: GCN 9545; GCN 9551
XRT: GCN 9545; GCN 9550; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9545; GCN 9552
Radio:
Redshift:
Host:
Other: GCN Report 224.1