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Development of a new calibration method for ground-based Paschen-alpha imaging data

Tamura, Yoichi; Kohno, Kotaro; Takahashi, Hidenori +24 more

ANIR (Atacama Near InfraRed camera) is a near infrared camera for the University of Tokyo Atacama 1.0m telescope installed at the summit of Co. Chajnantor (5640m altitude) in northern Chile. The high altitude and the extremely low water vapor (precipitable water vapor:PWV=0.5mm) of the site enables us to perform observation of hydrogen Paschen alp…