RT SCULPTORIS - an important star for low-mass close binary research

Details RT SCULPTORIS - an important star for low-mass close binary research RT SCULPTORIS - an important star for low-mass close binary research

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.173...77b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 173, no. 1, Nov. 1990, p. 77-92.

Astronomy and Astrophysics

Astrophysics

7

Eclipsing Binary Stars, Stellar Mass, Color-Color Diagram, Computer Programs, Light Curve, Stellar Luminosity, Stellar Models

Scientific paper

RT Scl is characterized on the basis of (1) a reanalysis of the UBV photometric data of Duerbeck and Karimie (1979) and (2) spectroscopic observations obtained with the Cassegrain spectrograph and photon-counting array of the 1.9-m telescope at Mount Stromlo Observatory during 1986. The results are presented in extensive graphs and discussed in detail. It is concluded that RT Scl comprises a relatively normal A primary and a somewhat oversized late G secondary; the proposed semidetached transit-type model includes a 9300-K hot spot at longitude 114 + or - 5 deg, consistent with the mass-transfer stream geometries of Prendergast and Taam (1974) and the RT Scl model of Hilditch and King (1986).

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