Development of a 30-cm submillimeter-wave telescope for the operation at Dome Fuji in Antarctica

S. Ishii; M. Seta; T. Nagasaki; N. Nakai; M. Nagai; Y. Miyamoto; H. Imada; K. Doihata; K. Saito; Y. Sekimoto

doi:10.1117/12.2055748

22 July 2014 Development of a 30-cm submillimeter-wave telescope for the operation at Dome Fuji in Antarctica

S. Ishii, M. Seta, T. Nagasaki, N. Nakai, M. Nagai, Y. Miyamoto, H. Imada, K. Doihata, K. Saito, Y. Sekimoto

Proceedings Volume 9145, Ground-based and Airborne Telescopes V; 914535 (2014) https://doi.org/10.1117/12.2055748
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

We have developed a 30-cm submillimeter-wave telescope intended to survey the Milky Way in 500 GHz emission lines at the Dome Fuji station in Antarctic plateau. Transportability and low power consumption are required while keeping low system noise temperature for the operation in Antarctica. The telescope is designed to be divided into five components and to operate with less than 2.5 kW of electric power. Its receiver noise temperature is less than 85 K in SSB at 461 and 492 GHz. We succeeded in operating the telescope at -30◦C in laboratory that is a typical temperature of the Dome Fuji in summer.

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S. Ishii, M. Seta, T. Nagasaki, N. Nakai, M. Nagai, Y. Miyamoto, H. Imada, K. Doihata, K. Saito, and Y. Sekimoto "Development of a 30-cm submillimeter-wave telescope for the operation at Dome Fuji in Antarctica", Proc. SPIE 9145, Ground-based and Airborne Telescopes V, 914535 (22 July 2014); https://doi.org/10.1117/12.2055748

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KEYWORDS

Telescopes

Antennas

Receivers

Mirrors

Spectroscopy

Control systems

Domes

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