The eccentric double-lined binary BD - 1 deg 1004

Details The eccentric double-lined binary BD - 1 deg 1004 The eccentric double-lined binary BD - 1 deg 1004

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990japa...11..445k&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 11, Dec. 1990, p. 445-460.

Astronomy and Astrophysics

Astrophysics

1

Astronomical Spectroscopy, Binary Stars, Orbital Elements, Radial Velocity, Stellar Orbits, High Resolution, Line Spectra, Signal To Noise Ratios, Stellar Structure

Scientific paper

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.

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