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A・一般) CCSゼーマン効果と理論計算を連携させた星形成における磁場の

A・一般) CCSゼーマン効果と理論計算を連携させた星形成における磁場の

A・一般) CCSゼーマン効果と理論計算を連携させた星形成における磁場の

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Role of Magnetic Fields in Star Formation<br />

Critical Mass below which magnetic field can support the cloud against<br />

gravity<br />

magnetically subcritical<br />

magnetically supercritical<br />

M cr ~10M , R~0.05 pc<br />

→ B cr ~ 170 G<br />

The evolution of dense cores is<br />

determined by the magnetic field.<br />

However, the role of magnetic fields in star formation is<br />

a matter of debate because of the difficulty of magnetic<br />

field measurements.

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