Determination of parameters of W UMa systems. I - AE Phe, AQ Tuc, 44 i Boo

Details Determination of parameters of W UMa systems. I - AE Phe, AQ Tuc, 44 i Boo Determination of parameters of W UMa systems. I - AE Phe, AQ Tuc, 44 i Boo

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26as...45..187m&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 45, Aug. 1981, p. 187-192.

Astronomy and Astrophysics

Astrophysics

24

Astronomical Photometry, Eclipsing Binary Stars, Light Curve, Codes, Computer Techniques, Minicomputers

Scientific paper

Multicolor lightcurves of three W UMa systems are solved using the Wilson-Devinney computer code, modified in order to run on a medium-size minicomputer. The solution confirms the contact hypothesis for these systems, one of which (AQ Tuc) has turned out to be of Binnendijk's A-type (deeper minimum resulting from the eclipse of the more massive star) and the other two (AE Phe and 44 i Boo) of W type. A comparison is made with previous solutions. The main features of such systems are considered to be (1) a small degree of contact and (2) the fact that the less massive star is hotter than the companion.

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