S CANCRI - A semidetached system with a very low-mass secondary

Details S CANCRI - A semidetached system with a very low-mass secondary S CANCRI - A semidetached system with a very low-mass secondary

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...285..208p&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 285, Oct. 1, 1984, p. 208-213.

Astronomy and Astrophysics

Astrophysics

21

Eclipsing Binary Stars, Main Sequence Stars, Stellar Mass, Stellar Spectrophotometry, Subgiant Stars, Late Stars, Orbital Elements, Roche Limit, Stellar Evolution

Scientific paper

Spectroscopic observations of the 9.5 d Algol system S Cnc at the Lick and McDonald Observatories give velocity amplitudes of 10 and 127 km/s for the A0 main-sequence and late G subgiant components, respectively, and masses of 2.3 and 0.18 solar masses. The radii, from the Crawford and Olson photometry, are 2.2 and 4.8 solar radii. The Roche lobe-filling subgiant of S Cnc has the smallest known stellar mass established directly from spectrographic observations.

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