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- W1997776529 abstract "view Abstract Citations (53) References (37) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Ratio of Titanium to Zirconium in Late-Type Stars Boesgaard, Ann Merchant Abstract High-dispersion (4-15 A mm-') spectrograms of thirty-six K-M stars, five Ba ii stars, six MS stars, and nine S stars have been analyzed by a curve-of-growth technique to yield the atomic-abundance ratio of Ti to Zr. The correction arising from formation of the molecular oxide is considered. The Ti/Zr ratio for the K and M giants is similar to the solar value. In the Ba ii and S stars, this ratio is 3-30 times lower than in the normal stars; the average value is about 6 times less. The average for the MS stars is intermediate between the normal stars and the Ba ii and S stars. The abundance results are compared with those of other investigators to examine the evolutionary interrelationships of the various types of red giants. The discussion is in the context of nucleosynthesis. Publication: The Astrophysical Journal Pub Date: July 1970 DOI: 10.1086/150522 Bibcode: 1970ApJ...161..163B full text sources ADS | data products SIMBAD (60)" @default.
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- W1997776529 date "1970-07-01" @default.
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- W1997776529 title "The Ratio of Titanium to Zirconium in Late-Type Stars" @default.
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