New progress of research on the measuring system for the fiber position of LAMOST

Jia Lei; Wang Gang

doi:10.1117/12.669751

27 June 2006 New progress of research on the measuring system for the fiber position of LAMOST

Jia Lei, Wang Gang

Proceedings Volume 6269, Ground-based and Airborne Instrumentation for Astronomy; 62695L (2006) https://doi.org/10.1117/12.669751
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

Some new important progresses of the measuring system for fiber position of LAMOST (Large Area Multi-Object Fiber Spectroscope Telescope) are introduced in this paper. This improved model is based on the principle of calculating the photometric gravity's center of the fiber's CCD digital image, which was discussed in the previews paper [3]. More effective image manipulation and data processing methods have been used to improve the measuring precision. How to make a standard target as big as the size of the whole focal plane of LAMOST for calibration between the CCD camera and the focal plane of LAMOST in measurement was an unsolvable problem in the primary measure model, and it has been resolved in the proved design and will be shown next in this article.

Citation Download Citation

Jia Lei and Wang Gang "New progress of research on the measuring system for the fiber position of LAMOST", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 62695L (27 June 2006); https://doi.org/10.1117/12.669751

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