Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...211..443l&link_type=abstract
Astrophysical Journal, vol. 211, Jan. 15, 1977, pt. 1, p. 443-452. Research supported by the Robert A. Welch Foundation
Astronomy and Astrophysics
Astrophysics
8
Abundance, Late Stars, M Stars, Titanium Isotopes, Giant Stars, High Resolution, Stellar Atmospheres, Stellar Spectra
Scientific paper
The titanium isotopic abundance ratios in the K5 giant Aldebaran (Alpha Tau) are estimated from photoelectric high-resolution (40 mA) scans of portions of the TiO gamma-system (0, 0) band between 7070 and 7082 A. An application of spectrum synthesis techniques shows that the overall Ti isotopic abundance ratio is terrestrial to within 50%, with individual ratios terrestrial to within 25%. The (1, 0) and (0, 1) gamma-system band heads are reviewed as potential isotopic abundance indicators in late M stars.
Lambert David L.
Luck Earle R.
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