A spectroscopic orbit for the two-spectrum eclipsing binary RT Persei

Details A spectroscopic orbit for the two-spectrum eclipsing binary RT Persei A spectroscopic orbit for the two-spectrum eclipsing binary RT Persei

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990acasn..31..140l&link_type=abstract

(Acta Astronomica Sinica, vol. 31, no. 2, 1990, p. 140-146) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 14, Dec. 1

Physics

Optics

2

Eclipsing Binary Stars, F Stars, Stellar Orbits, Stellar Spectrophotometry, Subgiant Stars, Brightness Distribution, Cassegrain Optics, Radial Velocity, Stellar Mass, Stellar Spectra

Scientific paper

Intensified Reticon spectra have been obtained at a high dispersion for the Algol system, RT Persei. They were measured by the cross-correlation technique. The spectroscopic elements, revised for the primary component and determined for the secondary for the first time. A mass ratio of 0.282 is deduced. A circular orbit is adopted. The spectrum of the primary is F5V, and the secondary is a subgiant. With the elements determined here and the published photometric parameters, the absolute dimensions of the binary are: A = 4.20, R(1) = 1.20, R(2) = 1.08 solar radii; M(1) = 1.08, M(2) = 0.30 solar masses.

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