Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984aj.....89..830e&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 89, June 1984, p. 830-850.
Astronomy and Astrophysics
Astronomy
21
Milky Way Galaxy, Star Clusters, Stellar Spectrophotometry, White Dwarf Stars, Astronomical Catalogs, Binary Stars, Planetary Nebulae, Stellar Luminosity, Stellar Motions
Scientific paper
When cluster membership is judged by the size of the peculiar velocity and by a luminosity-color relation derived from stars with large parallax, about 20 percent of a subset of 250 spectroscopically confirmed white dwarfs with accurate proper motion determinations and suitable photometry are found to be members of the Hyades Supercluster. The supercluster members include such white dwarf progenitors as the nucleus of the planetary nebula NGC 7293. In the second part of this study, ten percent of a sample of 350 visual binaries within 100 pc of the sun is found to belong to the Hyades Superclusters. The reddest single stars and binary components in the supercluster populate the high luminosity border of the main sequence band.
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