RZ Pyxidis - an early-type marginal contact binary

Details RZ Pyxidis - an early-type marginal contact binary RZ Pyxidis - an early-type marginal contact binary

Jul 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.227..481b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 227, July 15, 1987, p. 481-500. Research supported by t

Astronomy and Astrophysics

Astronomy

8

Binary Stars, Early Stars, Main Sequence Stars, Spectrum Analysis, Stellar Spectrophotometry, Radii, Stellar Evolution, Stellar Mass

Scientific paper

The first modern photometric and spectroscopic study of the early-type binary RZ Pyx is presented. The analysis suggests that the system is in a marginal contact configuration with components on the zero-age main sequence. The masses and radii of the two components are found to be (5.3±0.4) and (4.3±0.2) solar masses and (2.61±0.10) and (2.44±0.06) solar radii, respectively. The age estimate for the system is less than 2×106yr. The system may have evolved into contact within this period of time or have arrived on the main sequence in a contact configuration.

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