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Proceedings Paper

Structure design and analysis of the special mounting and tracking system of the LAMOST
Author(s): Guoping Li; Bozhong Gu; Dehua Yang; Guoming Wang; Yuefei Wang
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Paper Abstract

The Large sky Area Multi-Object fiber Spectroscopic Telescope is a very special reflecting Schmidt telescope with a 40 m long optical axis between the reflecting Schmidt correcting plate and the spherical main mirror. In the middle is located the spherical focal plane of 1.75 m in diameter. The reflecting Schmidt correcting plate serves not only to correct wavefront by active optics but also to point and track celestial objects by normal tracking with collaboration of the focal plane to form a special mounting and tracking system. In this paper, the operational principle and technical specification of the tracking system is briefed. Design and test measurement as well as driving mode of both the Schmidt plate and the focal plane are investigated with structural calculations and analyses. The paper is closed with the conclusion that the mounting and tracking system is to meet global technical specifications of the LAMOST excellently.

Paper Details

Date Published: 4 February 2003
PDF: 11 pages
Proc. SPIE 4837, Large Ground-based Telescopes, (4 February 2003); doi: 10.1117/12.457957
Show Author Affiliations
Guoping Li, NIAOT/National Astronomical Observatories (China)
Bozhong Gu, NIAOT/National Astronomical Observatories (China)
Dehua Yang, NIAOT/National Astronomical Observatories (China)
Guoming Wang, NIAOT/National Astronomical Observatories (China)
Yuefei Wang, NIAOT/National Astronomical Observatories (China)

Published in SPIE Proceedings Vol. 4837:
Large Ground-based Telescopes
Jacobus M. Oschmann; Larry M. Stepp, Editor(s)

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