Elemental abundance analysis of HR 8216 Virtual Observatory Resource

Authors
  1. Caliskan H.
  2. Published by
    CDS
Abstract

We have performed the abundance analysis of the cool magnetic CP star HR 8216 (=HD 204411) using 2.4{AA}/mm Dominion Astrophysical Observatory Reticon exposures covering ll 3830-4770{AA} with a typical signal-to-noise ratio of 200. The spectrograms were measured interactively with the graphics computer program REDUCE. We performed a fine analysis with an ATLAS9 metal-rich model atmosphere whose predictions best matched the optical region fluxes and the Hg profile. HR 8216's anomalies are primarily an enhancement of many iron peak elements with the rare earths elements much less enhanced than for many similar cool magnetic CP stars .Using the results of the fine analysis we synthetized the spectrum. Comparison with the observed spectrum showed that agreement is better.

Keywords
  1. Peculiar variable stars
  2. Chemically peculiar stars
Bibliographic source Bibcode
2005MNRAS.356.1256C
See also HTML
https://cdsarc.cds.unistra.fr/viz-bin/cat/J/MNRAS/356/1256
IVOA Identifier IVOID
ivo://CDS.VizieR/J/MNRAS/356/1256

Access

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http://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/MNRAS/356/1256
https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/MNRAS/356/1256
http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/MNRAS/356/1256
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History

2005-03-10T19:52:42Z
Resource record created
2005-03-10T18:52:55Z
Updated
2005-03-10T19:52:42Z
Created

Contact

Name
CDS support team
Postal Address
CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France
E-Mail
cds-question@unistra.fr