PUCHEROS Early Science: A New Be+sdO Candidate
Th. Rivinius, L. Vanzi, J. Chacon, P. Leyton, K. G. Helminiak, M., Baffico, S. \v{S}tefl, D. Baade, G. Avila, and C. Guirao
TL;DR
This paper presents early scientific results from the PUCHEROS spectrograph, including the discovery of a new Be+sdO binary candidate, omicron Pup, which could be the fourth known member of this rare class.
Contribution
First scientific results from PUCHEROS spectrograph include identifying a new Be+sdO binary candidate, expanding the known population of such systems.
Findings
Discovery of a new Be+sdO candidate star, omicron Pup.
Potential confirmation of the fourth known Be+sdO binary.
Validation of PUCHEROS spectrograph's capability for binary star detection.
Abstract
We report on the first scientific results with the recently commissioned PUCHEROS spectrograph, mounted at the 50cm telescope of the Pontificia Universidad Catolica near Santiago, Chile. A hitherto unknown candidate Be+sdO binary was identified, omicron Pup. If confirmed, it would be the fourth member of this class. Such stars have obtained their rapid rotation through binary mass transfer and now consist of a Be star and a hot subdwarf.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astro and Planetary Science · Astronomy and Astrophysical Research