Atronomical CCD observations of the main Saturn's satellites at Pulkovo Observatory in 2004-2007

作者：Khrutskaya E V^*; Kiseleva T P; Izmailov I S; Khovrichev M Yu; Berezhnoy A A

来源：Solar System Research, 2009, 43(4): 285-290.

DOI：10.1134/S0038094609040029

The results of astrometric observations of Saturn's satellites (S1-S8) obtained using a 26-inch refractor and a normal astrograph at Pulkovo Observatory in 2004-2007 are given. High-accuracy equatorial coordinates of Saturn's satellites in the system of the UCAC2 reference catalog and the relative "satellite-satellite" positions suitable for specifying their motion theories are obtained. The observations are compared with the DE405 TASS1.7 and INPOP06 TASS1.7 theories of motion. The root-mean-square errors of the obtained satellite positions lie within the range of 10-50 mas, as far as the intrinsic convergence is concerned, and 20-70 mas, as far as the extrinsic one is concerned. The observation results are included into the astrometrical database of the Pulkovo Observatory (http://www.puldb.ru).

• 出版日期2009-8