Parameters of the visually close binary system Hip11253 (HD14874)

Details Parameters of the visually close binary system Hip11253 (HD14874) Parameters of the visually close binary system Hip11253 (HD14874)

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009astbu..64..365a&link_type=abstract

Astrophysical Bulletin, Volume 64, Issue 4, pp.365-371

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

The physical and geometrical parameters of the individual components of the binary system Hip11253 (HD14874) are estimated. We used the method described in previous papers, which consists in getting the best fit between the entire observational spectral energy distribution of the system and the synthetic ones, created from model atmospheres. The parameters of the individual components of the system are derived as: T {eff/a} = 6030 ± 100 K, T {eff/b} = 4470 ± 130 K, log g a = 4.27 ± 0.13, log g b = 4.04 ± 0.13, R a = 1.22 ± 0.09R&sun;, R b = 1.32 ± 0.20R&sun;, with the G0 and K4.5 spectral types for the primary and secondary components, respectively. The synthetic magnitudes of both components were calculated using the Johnson-Cousins, Strömgren, and Tycho photometrical systems. Finally the formation and evolution of the system was discussed.

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