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GRB 090313

Time: 09:06:27
Trigger Number: 346386
Burst Advocate: Jirong Mao

BAT Data:

RA: a 198.400
13:13:36.0
Dec: a 8.086
08:05:09.6
90% Error Radius: b 2.2
T90: c 79
Fluence: d 14 (2)
1s Peak Photon Flux: e 0.8 (0.3)
Photon Index: f 1.91, PL (0.29)

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 090313

XRT Data:

RA: a 13:13:36.25
Dec: a 08:05:50.2
90% Error Radius: b 1.5
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.2803248
24 Hour Flux: d 0.1192681
Initial Temporal Index: -0.9977
Spectral Index (Gamma): 2.07619
Column Density (NH): e 27.6158

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 27000
V Magnitude: V=20.10
Other Filter Magnitudes: U>21.44
B=21.50
UVW1>21.78
UVM2>21.22
UVW2>21.58

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
3.375 (Gemini-South: absorption)
3.375 (VLT: absorption)
3.3721 (Melipal: absorption)
Host Galaxy:
Other Observatory Detections:
KAIT, ESO/MPI (2.2m), Faulkes North (2m), OSN (1.5m), GRAS-04 (0.25m), Gemini-South, PAIRITEL, Zadko, TAROT (25cm), IAC80 (0.8m), MITSuME (50cm), AMI Large Array @ 14.5 to 17.5 GHz, CARMA @ 92.5 GHz, CTIO (1.3m), VLA @ 8.46 GHz, VLT, Melipal, WSRT @ 4.9 GHz, Bologna Observatory (1.52m)

Comments:

Due to a Moon observing constraint, Swift cannot slew to the BAT position until 16:45 UT. There will thus be no prompt XRT or UVOT data for this trigger.

References:

BAT: GCN 8980; GCN 8981; GCN 8986
XRT: GCN 8991; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 8990; GCN 9006
Radio: GCN 9003; GCN 9017 (AMI Large Array); GCN 9005 (CARMA); GCN 9011 (VLA); GCN 9016 (WSRT)
Redshift: GCN 8994 (Gemini-South); GCN 9012 (VLT); GCN 9015 (Melipal)
Host:
Other: GCN Report 204.1