THz Observation from Mount Fuji - npofuji3776.orgnpofuji3776.org/document/Yamamoto.pdf · THz...

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THz Astronomy from Mount Fuji Satoshi Yamamoto Department of Physics The University of Tokyo

Transcript of THz Observation from Mount Fuji - npofuji3776.orgnpofuji3776.org/document/Yamamoto.pdf · THz...

Page 1: THz Observation from Mount Fuji - npofuji3776.orgnpofuji3776.org/document/Yamamoto.pdf · THz Astronomy from Mount Fuji Satoshi Yamamoto Department of Physics The University of Tokyo.

THz Astronomy from Mount Fuji

Satoshi YamamotoDepartment of PhysicsThe University of Tokyo

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High Altitude Site with Low Temperature and Low Humidity Conditions

Mount Fuji (3776m)is a unique site for submillimeter-waveastronomy in Japan.

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Mauna Kea (4200 m)

Pampa la Bola, Chile(5000 m)

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C+ C CO

Diffuse Cloud Molecular Cloud

Chemical Evolution of Interstellar CloudsChemical Evolution of Interstellar Clouds

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Formation Site of Molecular Cloud

Taurus Molecular Cloud

color:CIcontours:C18O

Maezawa et al. 1999, Astrophys. J. 524, L129.

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Fine Structure Line of N+

3P1-3P0 1.46 THz

Distribution and Kinematics of Plasma Clouds

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NII Distribution in the Galaxy Observed by COBE

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Transportable 18 cm Submillimeter-wave TelescopeLarge Scale Distribution of NII

Transportable 18 cm Submillimeter-wave TelescopeLarge Scale Distribution of NII

Operation at Pampa la Bola, Chile