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[vsnet-grb-info 1176] Final IPN error ellipse for GRB021206 (the polarized GRB)



TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  2281
SUBJECT: Final IPN error ellipse for GRB021206 (the polarized GRB)
DATE:    03/06/10 16:26:47 GMT
FROM:    Kevin Hurley at UCBerkeley/SSL  <khurley@sunspot.ssl.berkeley.edu>

K. Hurley and T. Cline, on behalf of the Ulysses, Mars Odyssey, and Konus GRB teams,

D. M. Smith, R. P. Lin, J. McTiernan, R. Schwartz, C. Wigger, W. Hajdas, 
and A. Zehnder, on behalf of the RHESSI GRB team,

I. Mitrofanov, S. Charyshnikov, V. Grinkov, A. Kozyrev, M. Litvak, and
A. Sanin, on behalf of the HEND-Odyssey GRB team,

W. Boynton, C. Fellows, K. Harshman, C. Shinohara and R. Starr,
on behalf of the GRS/Odyssey GRB team, 

E. Mazets and S. Golenetskii, on behalf of the Konus-Wind GRB team, and

A. von Kienlin, G. Lichti, and A. Rau, on behalf of the
INTEGRAL SPI-ACS GRB team, report:

Using the final spacecraft timing and ephemeris data, we have combined
Ulysses, RHESSI, Mars Odyssey, Konus, and INTEGRAL (SPI-ACS) data to
obtain a final IPN error ellipse for this burst (GCN 1727, 1728; Nature
423, 415, 2003) whose area is a factor of ~7 smaller than that of the
error box announced in GCN 1728.  The 3 sigma error ellipse is centered
at RA, Decl (2000)=240.195, -9.710 degrees, with major axis 20.4
arcminutes, minor axis 0.53 arcminutes, and position angle ~18
degrees.  Its area is 8.6 square arcminutes.  The VLA source (GCN 2280)
lies within both the earlier error box and within this ellipse, roughly
0.020 degrees from its center.  A map and a lightcurve have been posted
at ssl.berkeley.edu/ipn3/021206.


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