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Extremely peculiar spectrum of the primary component of the eclipsing binary HD 66051

Published online by Cambridge University Press:  12 October 2020

E. Niemczura Open the ORCID record for E. Niemczura [Opens in a new window] ,
P. A. Kołaczek-Szymański ,
F. Castelli ,
S. Hubrig ,
S. P. Järvinen ,
R. Monier  and
S. Hümmerich Open the ORCID record for S. Hümmerich [Opens in a new window]
E. Niemczura
Affiliation:
University of Wrocław, Astronomical Institute, Kopernika 11, PL-51-622, Wrocław, Poland email: [email protected]
P. A. Kołaczek-Szymański
Affiliation:
University of Wrocław, Astronomical Institute, Kopernika 11, PL-51-622, Wrocław, Poland email: [email protected]
F. Castelli
Affiliation:
INAF, Osservatorio Astronomico di Trieste, via Tiepolo 11, 34143, Trieste, Italy
S. Hubrig
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
S. P. Järvinen
Affiliation:
Leibniz-Institut für Astrophysik Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany
R. Monier
Affiliation:
LESIA, UMR 8109, Observatoire de Paris et Université Pierre et Marie Curie Sorbonne Universités, place J. Janssen, Meudon, Paris, France
S. Hümmerich
Affiliation:
Bundesdeutsche Arbeitsgemeinschaft für Veräanderliche Sterne e.V., Berlin, Germany American Association of Variable Star Observers, Cambridge, USA
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Abstract

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HD 66051 is an eclipsing and spectroscopic double-lined binary (SB2), hosting two chemically peculiar stars: a highly peculiar B star as primary and an Am star as secondary. The investigation of the new high-resolution UVES spectrum of HD 66051 allowed us to decide on the chemical peculiarity type of both components with more reliability. An analysis of TESS photometric time series data will further specify the physical parameters of the stars and the orbital parameters of the system.

Keywords

stars: chemically peculiarbinaries: eclipsing
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S350: Laboratory Astrophysics: From Observations to Interpretation , April 2019 , pp. 412 - 414
Copyright
© International Astronomical Union 2020

References

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