Grain Formation in the Expanding Envelopes of T Tauri Stars
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概要
- 論文の詳細を見る
The possibility of the nucleation in the expanding envelopes of T Tauri stars is investigated by using the nucleation theory by Becker and Doring. The nucleation time scale τ_n in the gas is investigated assuming that only graphite is condensable. The expansion time scale τ_<exp> of the gas ejected from a T Tauri star is calculated assuming that the gas flow is steady and spherically symmetric. The time scale τ_n is compared with τ_<exp> for X_c=10^<-2> (X_c is the concentration of carbon by mass) assuming that the gas expands adiabatically, and the massloss rate needed for nucleation is found to be larger than those observed in T Tauri stars. This suggests that nucleation around T Tauri stars is rather difiicult.
- 理論物理学刊行会の論文
- 1973-04-25
著者
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Nakazawa Kiyoshi
Department of Cardiology, St. Marianna University School of Medicine
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Nishida Shuzo
Department Of Industrial And Systems Engineering Setsunan University
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Nishida Shuzo
Department Of Physics Kyoto University
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Nakazawa Kiyoshi
Department Of Applied Physics Tokyo Institute Of Technology
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Nishida Shuzo
Department Of Civil Engineering Osaka University
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