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1981•Journal of The Korean Astronomical SocietyRequires access

A Study on Masses of O Stars in HII Regions

Jong Ok Woo

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Abstract

Making use of log diagram along with Stohers' stellar evolutionary tracks (1972), we estimated the masses of 107 O stars in HII regions, which were selected from the catalogue compiled by Goy (1973). It is found that our estimated masses of O stars range from and about 20% of them falls in the mass range above in agreement with earlier findings of Conti et al. (1975).

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Making use of log diagram along with Stohers' stellar evolutionary tracks (1972), we estimated the masses of 107 O stars in HII regions, which were selected from the catalogue compiled by Goy (1973). It is found that our estimated masses of O stars range from and about 20% of them falls in the mass range above in agreement with earlier findings of Conti et al. (1975).

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Available abstract

Making use of log diagram along with Stohers' stellar evolutionary tracks (1972), we estimated the masses of 107 O stars in HII regions, which were selected from the catalogue compiled by Goy (1973). It is found that our estimated masses of O stars range from and about 20% of them falls in the mass range above in agreement with earlier findings of Conti et al. (1975).

Key concepts: Physics, Stars, Astrophysics, Diagram, Hertzsprung–Russell diagram, Range (aeronautics), Astronomy, Stellar evolution

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