PPMX Catalog of positions and proper motions (Roeser+ 2008)

Details PPMX Catalog of positions and proper motions (Roeser+ 2008) PPMX Catalog of positions and proper motions (Roeser+ 2008)

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ycat.1312....0r&link_type=abstract

VizieR On-line Data Catalog: I/312. Originally published in: 2008A&A...488..401R

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Positional Data, Proper Motions, Surveys

Scientific paper

PPM-Extended (PPMX) is a catalogue of 18,088,919 stars containing astrometric and photometric information. Its limiting magnitude is about 15.2 in the GSC photometric system. PPMX consists of three parts: a) a survey complete down to RU=12.8 in the magnitude system of UCAC2; b) additional stars of high-precision proper motions, and c) all other stars from GSC 1.2 identified in 2MASS. The typical accuracy of the proper motions is 2mas/y for 66 percent of the survey stars (a) and the high-precision stars (b), and about 10mas/y for all other stars. PPMX contains photometric information from ASCC-2.5 and 2MASS.
(24 data files).

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