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2022RNAAS...6..245M - Research Notes of the AAS, 6, 245 (2022/November-0)

The Aluminum Abundance of HD 209459 from Far Ultraviolet and Optical Spectra.

MONIER R.

Abstract (from CDS):

The abundance of aluminum in the atmosphere of HD 209459 is measured by synthesizing selected optical and ultraviolet lines having high quality atomic data. The Al III resonance lines at 1854.12 and 1862.79 Å are reproduced by an aluminum underabundance of about 0.3 times the solar aluminum abundance. The Al II line at 4663.06 Å is properly fit by a solar aluminum abundance. This difference needs confirmation by the modeling of more lines in both spectral regions.

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

Journal keyword(s): Chemically peculiar stars - Mercury-manganese stars

Simbad objects: 1

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