Astronomy and Astrophysics – Astronomy
Scientific paper
May 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989aj.....97.1480w&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 97, May 1989, p. 1480-1484.
Astronomy and Astrophysics
Astronomy
2
Astrometry, Astronomical Catalogs, Stellar Motions, Data Processing, Digital Data
Scientific paper
An optically scanning data-entry machine and various manual techniques are used to digitize the NLTT Catalogue and the first supplement to the NLTT Catalogue. Included in the catalog are stars found on over 800 Palomar proper-motion survey plates to have relative annual proper motions exceeding 0.18 arcsec. The supplement contains data for 398 stars having motions larger than 0.179 arcsec annually.
Jahreiss Hartmut
Lasker Barry M.
Luyten Willem J.
Sturch Conrad R.
Warren Wayne H. Jr.
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