Status of Subaru 8.2-m mirror fabrication

Hiroshi Karoji

doi:10.1117/12.269062

21 March 1997 Status of Subaru 8.2-m mirror fabrication

Hiroshi Karoji

Proceedings Volume 2871, Optical Telescopes of Today and Tomorrow; (1997) https://doi.org/10.1117/12.269062
Event: Optical Telescopes of Today and Tomorrow, 1996, Landskrona/Hven, Sweden

Abstract

The Subaru 8.3 m mirror blank was sent in the summer of 1994 from Corning to Contraves US near Pittsburgh for polishing and figuring. It is expected to be delivered to the summit of Mauna Kea by the end of 1997. Hole boring on rear side is under process and the turnover of the mirror is planned for this autumn. Fabrication of the cell and actuators as well as that of the mirror control system have been finished in Japan. Performance tests using the actual mirror cell and a steel dummy mirror have shown the Subaru mirror support system satisfies the technical specification set forth in the design phase.

Citation Download Citation

Hiroshi Karoji "Status of Subaru 8.2-m mirror fabrication", Proc. SPIE 2871, Optical Telescopes of Today and Tomorrow, (21 March 1997); https://doi.org/10.1117/12.269062

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