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2022RNAAS...6..208M - Research Notes of the AAS, 6, 208 (2022/October-0)

New Surface Abundances for HD 216494 (74 Aqr).

MONIER R.

Abstract (from CDS):

New abundances are derived for the brightest member of 74 Aqr. The profile of the Mg II line at 4481 Å is composite and clearly shows three components which confirms the classification of 74 Aqr as a triple SB3 system. The derived abundance pattern confirms the HgMn nature of this star. Helium and magnesium are found to be more deficient than in previous studies while phosphorus is less overabundant.

Abstract Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Chemically peculiar stars

Simbad objects: 1

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