Accomplished the task of production of primary and secondary mirrors of Devasthal Optical Telescope under the project ARIES (India, Belgium, Russia): fabrication features

Alexander P. Semenov

doi:10.1117/12.924645

13 September 2012 Accomplished the task of production of primary and secondary mirrors of Devasthal Optical Telescope under the project ARIES (India, Belgium, Russia): fabrication features

Alexander P. Semenov

Author Affiliations +

Proceedings Volume 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II; 84504R (2012) https://doi.org/10.1117/12.924645
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

Basing on the contract with firm AMOS LZOS, JSC has accomplished the manufacturing works of the Primary and Secondary Mirrors of Devasthal Optical Telescope (DOT) for Aryabhatta Research Institute of Observational Sciences (ARIES). The Primary mirror specifications is as follows: diameter 3700 mm, vertex radius 14639 mm (F/1.96), conical constant -1.03296, asphericity 111 microns. The Secondary mirror specifications is as follows: diameter 980 mm, vertex radius 4675 mm (F/1.78), conical constant -2.79561, asphericity 47 microns. The results of works under this project are presented in this paper.

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Alexander P. Semenov "Accomplished the task of production of primary and secondary mirrors of Devasthal Optical Telescope under the project ARIES (India, Belgium, Russia): fabrication features", Proc. SPIE 8450, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation II, 84504R (13 September 2012); https://doi.org/10.1117/12.924645

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