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GRB 081211B

Time: 06:15:02
Trigger Number: BATSS
Burst Advocate: Stephen Holland

BAT Data:

RA: a 168.231
11:12:55.4
Dec: a 53.845
53:50:42.0
90% Error Radius: b 3.04
T90: c n/a
Fluence: d 6.1 (n/a)
1s Peak Photon Flux: e n/a (n/a)
Photon Index: f 1.73, PL (n/a)

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 081211B

XRT Data:

RA: a 11:13:03.37
Dec: a 53:49:47.7
90% Error Radius: b 1.8
Time to First Observation: c n/a
Early Flux: d n/a
11 Hour Flux: d 0.435162
24 Hour Flux: d 0.14102025
Initial Temporal Index: -1.444
Spectral Index (Gamma): 1.98268
Column Density (NH): e 0.07640240395

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 81700
V Magnitude: V>21.4
Other Filter Magnitudes: B>22.5
UVM2>20.8
UVW2>21.8
White>23.1

a J2000; b arcsec; c seconds

Other Burst Info:

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

Comments:

BATSS detected burst.
A follow-up Swift ToO observation has been scheduled to begin on 12/12/08 at 04:51 UT, 22.6 hours after the burst.
UVOT: no detection

References:

BAT: GCN 8661
XRT: GCN 8666; GCN 8683; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 8669
Radio:
Redshift:
Host:
Other: GCN Report 189.1