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Scientific paper
Jun 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apjs...52..169l&link_type=abstract
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 52, June 1983, p. 169-181. Sponsorship: National Science Council
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42
Astronomical Catalogs, Barium, Stellar Spectra, Stellar Spectrophotometry, Line Spectra, Stellar Color, Stellar Luminosity, Tables (Data)
Scientific paper
Many other Ba II stars have been found, since the enhancement of the line of singly ionized barium (4554 A) in late-type, high-luminosity stars was discovered by Bidelman and Keenan (1951). The majority of stars so identified are listed in a study conducted by MacConnell et al. (1972). MacConnell et al. identified 150 'certain' barium stars and an additional 90 'marginal' barium stars from inspection of objective-prism plates of the Michigan Spectral Survey of the southern sky. Since the majority of known Ba II stars were discovered with objective-prism plates, they have lacked high-quality spectral classifications. It has been attempted to obtain these data along with broad- and intermediate-band photometry, in order to study the properties of this subgroup of stars in greater detail than has heretofore been possible. Except for the stars recently identified by Bidelman (1981), the list of spectroscopic and photometric data in Table 1 includes virtually all recognized barium stars. The stars identified by Bidelman are listed in Table 2.
Dawson Dennis W.
Lü Philip K.
Upgren Arthur R.
Weis Edward W.
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