On the Optical Spectrum of 89 Her

The high resolution spectra of a post-AGB candidate, binary system 89 Her, were analysed for the chemical composition. The star was found to be metal deficient with [Fe/H] = -0.50±0.20. No enhancement of s-process elements was found. The refractory elements are depleted but this is not the reason of...

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Bibliographic Details
Main Author: Kipper Tõnu
Format: Article
Language:English
Published: De Gruyter 2011-03-01
Series:Open Astronomy
Subjects:
Online Access:https://doi.org/10.1515/astro-2017-0269