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THz Astronomy from Mount Fuji

Satoshi YamamotoDepartment of PhysicsThe University of Tokyo

High Altitude Site with Low Temperature and Low Humidity Conditions

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

Mauna Kea (4200 m)

Pampa la Bola, Chile(5000 m)

C+ C CO

Diffuse Cloud Molecular Cloud

Chemical Evolution of Interstellar CloudsChemical Evolution of Interstellar Clouds

Formation Site of Molecular Cloud

Taurus Molecular Cloud

color:CIcontours:C18O

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

Fine Structure Line of N+

3P1-3P0 1.46 THz

Distribution and Kinematics of Plasma Clouds

NII Distribution in the Galaxy Observed by COBE

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

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