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GRB 090827

Time: 19:06:26
Trigger Number: 361029
Ground Analysis
20110
Burst Advocate: Jay Cummings

BAT Data:

RA: a 18.435
01:13:44.4
Dec: a -50.899
-50:53:56.4
90% Error Radius: b 2.8
T90: c n/a
Fluence: d 40 (20)
1s Peak Photon Flux: e n/a (n/a)
Photon Index: f 1.0, PL (0.3)

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 090827

XRT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.03012296
24 Hour Flux: d 0.016665712
Initial Temporal Index: n/a
Spectral Index (Gamma): 1.39208
Column Density (NH): e 0.157027255

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

UVOT Data:

RA: a n/a
Dec: a n/a
90% Error Radius: b n/a
Time to First Observation: c 91600
V Magnitude: n/a
Other Filter Magnitudes: U>21.94

a J2000; b arcsec; c seconds

Other Burst Info:

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

Comments:

Ground analysis detection. A Swift TOO has been requested and will take place starting approximately 26 hours after the burst.
UVOT: no detection

References:

BAT: GCN 9846
XRT: GCN 9847; GCN 9911; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 9847
Radio:
Redshift:
Host:
Other: GCN Report 244.1