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GRB 091024

Time: 08:56:01
Trigger Number: 373674
Burst Advocate: Frank Marshall

BAT Data:

RA: a 339.240
22:36:57.6
Dec: a 56.885
56:53:06.0
90% Error Radius: b 1.0
T90: c 109.8
Fluence: d 61 (3)
1s Peak Photon Flux: e 2.0 (0.3)
Photon Index: f 1.20, 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 091024

XRT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c 3192.00
Early Flux: d 10
11 Hour Flux: d 0.13180635
24 Hour Flux: d 0.02893163
Initial Temporal Index: -1.944
Spectral Index (Gamma): 1.49013
Column Density (NH): e 17.184

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 ~3000
V Magnitude: n/a
Other Filter Magnitudes: B>17.31
U>19.03
UVW1>20.37
UVW2>17.28

a J2000; b arcsec; c seconds

Other Burst Info:

Redshift:
1.092 (Gemini-North)
1.091 (Keck I: absorption)
Host Galaxy:
Other Observatory Detections:
Faulkes North (2m), RAS Observatory, Gemini-North, Xinglong TNT, Fermi (GBM), SRO (35cm), Super-LOTIS (0.6m), KAIT, Konus-Wind, Konus-RF, Yunnan Observatory (2.4m), SAO RAS, ZTE

Comments:

Due to an observing constraint, Swift will not slew until T0+50.0 minutes. There will be no XRT or UVOT data until this time.
UVOT: no detection

References:

BAT: GCN 10062; GCN 10072; GCN 10086
XRT: GCN 10069; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 10078
Radio:
Redshift: GCN 10065 (Gemini North); GCN 10093 (Keck I)
Host:
Other: