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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Format: | Article |
Language: | English |
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De Gruyter
2011-03-01
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Series: | Open Astronomy |
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Online Access: | https://doi.org/10.1515/astro-2017-0269 |