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Spectroscopic Study of the Early-Type Binary HX Vel A

Published online by Cambridge University Press:  23 April 2012

Burcu Özkardeş
Affiliation:
Astrophysics Research Center and Observatory, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey Department of Physics, Faculty of Arts and Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey email: burcu@comu.edu.tr, dsurgit@comu.edu.tr, aerdem@comu.edu.tr, fsoydugan@comu.edu.tr, demircan@comu.edu.tr
Derya Sürgit
Affiliation:
Astrophysics Research Center and Observatory, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey Department of Physics, Faculty of Arts and Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey email: burcu@comu.edu.tr, dsurgit@comu.edu.tr, aerdem@comu.edu.tr, fsoydugan@comu.edu.tr, demircan@comu.edu.tr
Ahmet Erdem
Affiliation:
Astrophysics Research Center and Observatory, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey Department of Physics, Faculty of Arts and Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey email: burcu@comu.edu.tr, dsurgit@comu.edu.tr, aerdem@comu.edu.tr, fsoydugan@comu.edu.tr, demircan@comu.edu.tr
Edwin Budding
Affiliation:
Carter National Observatory, PO Box 2909, Wellington, New Zealand email: budding@xtra.co.nz
Faruk Soydugan
Affiliation:
Astrophysics Research Center and Observatory, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey Department of Physics, Faculty of Arts and Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey email: burcu@comu.edu.tr, dsurgit@comu.edu.tr, aerdem@comu.edu.tr, fsoydugan@comu.edu.tr, demircan@comu.edu.tr
Osman Demircan
Affiliation:
Astrophysics Research Center and Observatory, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey Department of Physics, Faculty of Arts and Sciences, Çanakkale Onsekiz Mart University, Terzioğlu Kampüsü, TR-17020, Çanakkale, Turkey email: burcu@comu.edu.tr, dsurgit@comu.edu.tr, aerdem@comu.edu.tr, fsoydugan@comu.edu.tr, demircan@comu.edu.tr
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Abstract

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This paper presents high resolution spectroscopy of the HX Vel (IDS 08390-4744 AB) multiple system. New spectroscopic observations of the system were made at Mt. John University Observatory in 2007 and 2008. Radial velocities of both components of HX Vel A were measured using gaussian fitting. The spectroscopic mass ratio of the close binary was determined as 0.599±0.052, according to a Keplerian orbital solution. The resulting orbital elements are a1sini=0.0098±0.0003 AU, a2sini=0.0164±0.0003 AU, M1sin3i=1.19±0.07 M and M2sin3i=0.71±0.04 M.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2012

References

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