Improved proper motions in declination of some Hipparcos stars via long term classical observations

Details Improved proper motions in declination of some Hipparcos stars via long term classical observations Improved proper motions in declination of some Hipparcos stars via long term classical observations

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005dpps.conf..471d&link_type=abstract

Dynamics of Populations of Planetary Systems, Proceedings of IAU Colloquium #197, held 31 August - 4 Spetember, 2004 in Belgrade

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5

Stellar Catalogues, Proper Motion.

Scientific paper

In this paper we present the new possibilities of classical ground based observations for the purpose of improving the proper motions of some HIPPARCOS stars. The coordinates of asteroids, comets and other objects are calculated mostly by using the relative method and presented in a relevant reference frame via nearby stars (at the moment of observation) which materialize that reference frame. To improve the proper motions of stars we can use the latitude/universal time variations of ground based data. Here, the results of improved proper motions in declination of some HIPPARCOS stars are presented.

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