Spectroscopic orbit determination of the long‐periodic binary system θ Cep

Spectroscopic orbit determination of the long‐periodic binary system θ Cep

In 2015, a radial velocity monitoring campaign was started in order to redetermine and/or constrain the orbital solutions of spectroscopic binary systems. The observations were carried out at the University Observatory Jena with the Échelle spectrograph FLECHAS. The results from the main part of our...

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Veröffentlicht in:Astronomische Nachrichten 2020-12, Vol.341 (10), p.989-995
Hauptverfasser: Bischoff, Richard, Mugrauer, Markus, Lux, Oliver, Zehe, Tamara, Heyne, Therese, Wagner, Daniel, Geymeier, Michael
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Sprache:eng
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Binary system
binary: Spectroscopic
individual star: θ Cep
Orbit determination
Radial velocity
Spectroscopy
techniques: Radial velocity
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container_issue 10
container_start_page 989
container_title Astronomische Nachrichten
container_volume 341
creator Bischoff, Richard
Mugrauer, Markus
Lux, Oliver
Zehe, Tamara
Heyne, Therese
Wagner, Daniel
Geymeier, Michael
description In 2015, a radial velocity monitoring campaign was started in order to redetermine and/or constrain the orbital solutions of spectroscopic binary systems. The observations were carried out at the University Observatory Jena with the Échelle spectrograph FLECHAS. The results from the main part of our target sample are already published. For the final target of this campaign, θ Cep, we can now present an orbital solution based on a homogeneously covered radial velocity curve. The period of this single‐lined spectroscopic binary turned out to be significantly larger, and the orbit is much more eccentric compared to the given values in the 9th Catalogue of Spectroscopic Binary Orbits.
doi_str_mv 10.1002/asna.202013850
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subjects Binary system
binary: Spectroscopic
individual star: θ Cep
Orbit determination
Radial velocity
Spectroscopy
techniques: Radial velocity
title Spectroscopic orbit determination of the long‐periodic binary system θ Cep
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