Chemical stratification in the atmosphere of Ap star HD 133792

200663 citationsJournal Articlebronze Open Access

Authors

V. V. Tsymbal · Taurida National V.I. Vernadsky University

V. Makaganyk · Taurida National V.I. Vernadsky University

S. Bagnulo · European Southern Observatory

Abstract

Context.High spectral resolution studies of cool Ap stars reveal conspicuous anomalies of the shape and strength of many absorption lines. This is a signature of large atmospheric chemical gradients (chemical stratification) produced by the selective radiative levitation and gravitational settling of chemical species.

Topics & Keywords

Stellar, planetary, and galactic studies Astrophysics and Star Formation Studies Astro and Planetary Science

UN Sustainable Development Goals

Life below water

Publication Details

Published in: Astronomy and Astrophysics

Volume 460, Issue 3, pp. 831-842

DOI: 10.1051/0004-6361:20065607

Field-Weighted Citation Impact: 4.01