Photometric orbit of the massive system RY Scuti

Details Photometric orbit of the massive system RY Scuti Photometric orbit of the massive system RY Scuti

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...100...59m&link_type=abstract

Astronomy and Astrophysics, vol. 100, no. 1, July 1981, p. 59-65. Research supported by the Consiglio Nazionale delle Ricerche.

Astronomy and Astrophysics

Astronomy

24

Early Stars, Eclipsing Binary Stars, Stellar Motions, Stellar Spectrophotometry, Forbidden Bands, Infrared Radiation, Light Curve, Radio Sources (Astronomy), Ubv Spectra

Scientific paper

The UBV lightcurves of RY Scuti were analyzed using the Wilson and Devinney approach (1971). The system is found to be an evolved overcontact system, embedded in a gas and dust envelope, revealed by forbidden lines and IR excess. It is suggested that RY Scuti has early-type components of 39 and 49 solar masses, making it one of the most massive contact systems known so far. A possible variation in the period is analyzed.

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