Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991s%26w....30..592b&link_type=abstract
Sterne und Weltraum (ISSN 0039-1263), vol. 30, Oct. 1991, p. 592-596. In German.
Astronomy and Astrophysics
Astronomy
1
Astrometry, Astronomical Catalogs, Stellar Motions, Astronomical Observatories, Doppler Effect, Stellar Spectrophotometry
Scientific paper
The increasing obsolescence of the SAO Catalog of stellar coordinates
and motions is reviewed, and the potential of the PPM (Positions and
Proper Motions) Catalog to replace the SAO Catalog is discussed. The
research done to create the PPM Catalog is briefly described.
Bastian Ulrich
Roeser Siegfried
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