STARS WITH HIGH PROPER MOTIONS IN THE MODERN CATALOGS OF THE CDS DATABASE
Journal Title: Odessa Astronomical Publications - Year 2016, Vol 29, Issue
Abstract
Stars with high proper motions, for the most part, are objects located in the solar neighborhood within 100 parsecs. These stars are important targets for a wide range of astrophysical problems, but the accuracy of the results depends on the completeness of the star samples. The uniform distribution over the celestial sphere is also important for kinematic studies. There are two catalogs of the fast stars in northern hemisphere, while only scattered lists of such stars are available for southern hemisphere. This paper presents the results of analysis of samples of stars with proper motions exceeding 150 mas/year from the modern catalogs of astronomical database CDS (PPMXL, SPM4, UCAC4, XPM, APOP, LSPM, Tycho2, URAT1 and WISE). Results of pairwise mutual crossidentification of the samples have shown that modern astrometric catalogs contain a significant number of false identifications of stars with large proper motions, and the total number of common stars in the resulting samples is extremely small and is not more than 20% on average.
Authors and Affiliations
V. F. Kryuchkovskiy, N. V. Maigurova
Keywords
Related Articles
- EP ID EP374855
- DOI 10.18524/1810-4215.2016.29.85136
- Views 105
- Downloads 0
THE EFFECT OF MAJOR METEOR STREAMS ON THE TOTAL OZONE IN THE EARTH’S ATMOSPHERE
The correlation between the total ozone and activity of major meteor streams, such as the Perseids, Geminids, Leonids and Orionids, has been found using the Total Ozone Mapping Spectrometer (TOMS) measurements of the glo...
OBTAINING POSITIONS OF ASTEROIDS FROM DIGITIZED PROCESSING OF PHOTOGRAPHIC OBSERVATIONS IN BALDONE OBSERVATORY (CODE 069)
Digital processing of photographic plates of star fields allows to determine with high accuracy the coordinates and stellar magnitudes for all registered objects on these plates. The processing results can be used for a...
THE SULPHUR ABUNDANCE BEHAVIOUR IN THE GALACTIC DISC STARS
The sulphur abundances in the atmospheres of the F-G-K-type dwarf stars that belong to the thin and thick disc populations (in the metallicity range – 1.0 < [Fe/H] < 0.3) were determined. The observations were conducted...
The study of galactic beat cepheids with application of its results to those in the Magellanic Clouds
A thorough study of the correlation between P1=P0 ratio, fundamental period, and chemical composition (abundances of metals that compose Z) was conducted to investigate the significance of the iron-peak elements on the r...
ANALYSIS OF MASS CCD OBSERVATIONS TO IMPROVE THE ACCURACY OF ASTROMETRIC PROCESSING
In Research Institute: Mykolaiv Astronomical Observatory (RI MAO) regularly observations of fields with open clusters on the KT50 telescope (D = 500 mm, F = 3000 mm) with an Alta U9000 CCD camera (3k × 3k, FOV 42.6' × 42...