Photoelectric radial velocities of eclipsing binaries. I - Orbital elements of BF DRA

Details Photoelectric radial velocities of eclipsing binaries. I - Orbital elements of BF DRA Photoelectric radial velocities of eclipsing binaries. I - Orbital elements of BF DRA

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...59..357i&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 59, Feb. 1985, p. 357-360. In French.

Astronomy and Astrophysics

Astrophysics

2

Eclipsing Binary Stars, Electrophotometry, Orbital Elements, Radial Velocity, Stellar Spectrophotometry, Astronomical Catalogs, Orbit Calculation, Stellar Rotation

Scientific paper

Photoelectric spectroscopic observations of the eclipsing binary BF Dra, obtained using the Coravel radial-velocity spectrometer on the 1-m Swiss telescope of the Observatoire de Haute-Provence during 1977-1982, are presented in tables and graphs and used to determine the orbital elements. Elements derived include P = 11.2109 d, Kl = 71.7 + or - 0.4 km/s, K2 = 73.3 + or - 0.5 km/s, V0 = -30 + or - 0.2 km/s, e = 0.386 + or - 0.003, omega(1) = 271.4 + or - 0.8 deg, T(0) = 2,443,767.36 + or - 0.02 JD, m(1) sin3 i = 1.41 + or - 0.03 solar mass, and m(2) sin3 i = 1.38 + or - 0.03 solar mass.

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