A Model Atmosphere Analysis of the F6V Star π3 Ori

Details A Model Atmosphere Analysis of the F6V Star π3 Ori A Model Atmosphere Analysis of the F6V Star π3 Ori

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004ap%26ss.293..289a&link_type=abstract

Astrophysics and Space Science, v. 293, Issue 3, p. 289-294 (2004).

Astronomy and Astrophysics

Astrophysics

Model Atmospheres, Element Abundance, A-F Spectral Type Giant Star, Effective Temperature, Surface Gravity, Microturbulence Velocity

Scientific paper

Model atmosphere analysis, based on Kurucz models has been applied to study the F6V star π3 Ori (=BS1543=HD30652). The following values of the effective temperature, surface gravity and microturbulence velocity were obtained: = 6270±200 K, log g = 3.80.2, ξt =3.5±0.5 km/s. The abundances of 10 elements were determined. The resulting element abundances for the π3 Ori were found to be about three times lower with respect to the Sun. From evolutionary calculations we derived a mass, radius and luminosity for π3 Ori of M =1.3 M&sun;, R =2.38 R&sun;, L =7.9 L&sun;. Hence this star should be classified F6IV instead of F6 V.

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