Study of photoelectric observations of the eclipsing binary system FZ-Delphinus

Details Study of photoelectric observations of the eclipsing binary system FZ-Delphinus Study of photoelectric observations of the eclipsing binary system FZ-Delphinus

Apr 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ap%26ss.291...85h&link_type=abstract

Astrophysics and Space Science, v. 291, Issue 1, p. 85-96 (2004).

Astronomy and Astrophysics

Astrophysics

Binary Stars, Eclipsing, Close, Photometry, Light Curve, Absolute Parameters, Fz-Del

Scientific paper

Photoelectric observations in B and V for the FZ Del system are presented and its light curves are analyzed. Absolute parameters are obtained. The system shows a near contact subgaint secondary component with a likely K1 spectral type. The O-C curve is presented and probably a secular orbital period variations is detected on a timescale of about 6.9×106 yrs, suggesting thermal timescale mass transfer. A new light elements for the system have been obtained. The system can be considered as an early stage of conservative case of mass transfer.

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