XC1 catalogue of positions and proper motions (Fedorov+, 2005)

Details XC1 catalogue of positions and proper motions (Fedorov+, 2005) XC1 catalogue of positions and proper motions (Fedorov+, 2005)

Jan 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycat.1302....0f&link_type=abstract

VizieR On-line Data Catalog: I/302. Originally published in: Kinematics and physics of celestial bodies, Supplement, 5, (2005)

Physics

Positional Data, Proper Motions, Magnitudes: Photographic

Scientific paper

We present the astrometric catalogue of faint reference stars in 255deg2 sized fields with ICRF objects of northern hemisphere. The XC1 is based on our results of measurements and astrometric reduction of digitized images of Schmidt plates POSS-I and POSS-II sky surveys obtained from USNOFS PMM Image Archive. The Tycho-2 (Cat. ) catalogue was used as a reference catalogue for astrometric reductions. The mean positions and proper motions of stars were derived from their individual positions at the different epochs. For some stars the 2MASS (Cat. ) positions were used also. The limiting magnitude is about V=19mag. The estimated external errors are 50-150mas in positions at mean epoch, and 2-5mas/yr in proper motions, depending on magnitude. The catalog is present as a set of individual fields in separate files. The name of each file is the ERS designation of corresponding ICRF radio source.
(2 data files).

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