Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006rmxac..25....7a&link_type=abstract
Third International Meeting of Dynamic Astronomy in Latin America (Eds. Carlos Abad, Ángel Bongiovanni, & Yaneth Guillén) Revist
Astronomy and Astrophysics
Astronomy
Astrometry, Galaxy: Kinematics And Dynamics, Methods: Data Analysis
Scientific paper
The combination of a model to compute systematic trends in a sample of data, plus the classic Herschel's Method, has produced good results in finding systematic components in the stellar proper motions of Hipparcos Catalogue. First, we measure the Solar Motion, and finally, we found the existence of two motions contained in the Galactic plane with a radial direction towards and away from the Galactic center. Each one of these motions is shared by relatively large sample of stars. The ESA Bulletin (spanish version) issued on October 26 2004 talks about the possible existence of this kind of motions in the solar neighbourhood and makes a reference to an oncoming A&A publication about this subject.
Abad Carlos
Vieira Katherine
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