Parameters of the components of visually close binary systems: Hip 11352

Details Parameters of the components of visually close binary systems: Hip 11352 Parameters of the components of visually close binary systems: Hip 11352

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009an....330..385a&link_type=abstract

Astronomische Nachrichten, Vol.330, Issue 4, p.385

Astronomy and Astrophysics

Astronomy

2

Binaries: Close, Stars: Atmospheres, Stars: Evolution, Stars: Fundamental Parameters, Stars: Individual (Hip 11352), Techniques: Spectroscopic

Scientific paper

Model atmospheres of the components of the visually close binary system Hip 11352 were constructed using a grid of Kurucz's blanketed models. The entire observational spectral energy distribution of the system was used as a reference for the comparison with synthetic ones created from the model atmospheres. The parameters of the components of the system were derived as {T_eff{a} =5650±50} K, {T_eff{b} =5550±50} K, {log g_a=4.47±0.13}, {log g_b=4.49±0.13}, {R_a=0.92±0.03} R&sun;, {R_b=0.88±0.02} R&sun;, {M_a=0.93±0.05 M&sun;}, { M_b=0.89±0.05 M&sun;}, with a spectral type G7 for the primary and G9 for the secondary. The synthetic magnitudes and of both components were calculated using Johnson-Cousins, Strömgren, and Tycho photometrical systems. Finally the formation and evolution of the system was discussed.

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