A holography receiver for the Atacama Large millimeter/submillimeter array antenna and the measured surface deformation

Hitoshi Kiuchi; Masumi Yamada; Masahiro Sugimoto; Masao Saito

doi:10.1117/12.2055377

22 July 2014 A holography receiver for the Atacama Large millimeter/submillimeter array antenna and the measured surface deformation

Hitoshi Kiuchi, Masumi Yamada, Masahiro Sugimoto, Masao Saito

Author Affiliations +

Proceedings Volume 9145, Ground-based and Airborne Telescopes V; 91454J (2014) https://doi.org/10.1117/12.2055377
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

A holography receiver has been developed for both ALMA antennas (12m and 7m). ALMA had no holography receivers for the 7m antenna. It required high-accuracy, despite small size and light weight for easy installation with a limited working area. The ALMA antennas are also used for daytime observations. The antenna deformation strongly depends on ambient temperature and sun exposure. It is essential to know the daytime antenna deformation for success of the ALMA observation. The purpose of the project is to provide a holography receiver that can measure the diurnal and the seasonal antenna deformation.

Citation Download Citation

Hitoshi Kiuchi, Masumi Yamada, Masahiro Sugimoto, and Masao Saito "A holography receiver for the Atacama Large millimeter/submillimeter array antenna and the measured surface deformation", Proc. SPIE 9145, Ground-based and Airborne Telescopes V, 91454J (22 July 2014); https://doi.org/10.1117/12.2055377

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