Abstract
view Abstract Citations (1) References (38) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS CA II H and K lines in A type stellar spectra Panek, R. J. ; Stutman, D. R. Abstract High-quality, high-resolution photoelectric and photographic spectra of Alpha CMa and Gamma Gem are used to obtain the profiles of the Ca II H and K lines. These profiles are analyzed using theoretical spectra of model atmospheres to determine the calcium abundance and to study the structure of the stellar atmosphere. Calcium is found to be underabundant in Sirius. Publication: The Astrophysical Journal Pub Date: July 1980 DOI: 10.1086/158147 Bibcode: 1980ApJ...239..598P Keywords: A Stars; Line Spectra; Metallic Stars; Stellar Atmospheres; Stellar Spectra; Balmer Series; Calcium; H Lines; K Lines; Astrophysics full text sources ADS |
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