Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998astl...24..665i&link_type=abstract
Astronomy Letters, Volume 24, Issue 5, September 1998, pp.665-672; Pis'ma v Astronomicheskii Zhurnal, Vol. 24, p. 772
Astronomy and Astrophysics
Astronomy
6
Scientific paper
In 1995, a CCD camera (ST-6) was attached to the 26-inch Pulkovo refractor, with which the systematic observations of binary stars and satellites of major planets were continued simultaneously with their photographic observations. We present the results of our relative-position measurements for the components of 15 binaries and 36 pairs of Saturn's satellites. The required calibration and methodical studies are conducted. We conclude that CCDs can be used to advantage in long-focus astrometry. The measurement accuracy doubled in comparison with the photographic method, the resolution limit decreased to 12, and the limiting magnitude increased by 5 magnitudes.
Izmailov I. S.
Khrutskaya E. V.
Kiselev Andrey A.
Kiseleva T. P.
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