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Title: The eccentric double-lined binary BD - 1 deg 1004
Authors: Kameswara Rao, N
Ashoka, B. N
Lloyd, C
Pike, C. D
Stickland, D. J
Keywords: Astronomical spectroscopy;Binary stars;Orbital elements;Radial velocity;Stellar orbits;High resolution;Line spectra;Signal to noise ratios;Stellar structure
Issue Date: Dec-1990
Publisher: Indian Academy of Sciences
Citation: Journal of Astrophysics and Astronomy, Vol. 11, No. 4, pp. 445 - 460
Abstract: A new radial velocity study has been made of the highly eccentric, early-type binary BD - 1 deg 1004 using spectra from the Kavalur Observatory. All available archival material has also been reexamined. An attempt has been made to corrrect for line 'dragging' by the secondary spectrum to improve the fit of the observed data to the orbital solutions. It is found that an earlier suggestion of apsidal regression is still possible although omega is probably constant within the errors. There remain problems and inconsistencies with other orbital elements, in particular K1 and gamma.
ISSN: 0250-6335
Appears in Collections:IIAP Publications

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