Physics – Optics
Scientific paper
Sep 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996apopt..35.5155w&link_type=abstract
Applied Optics, Volume 35, Issue 25, September 1, 1996, pp.5155-5161
Physics
Optics
23
Adaptive Optics, Astronomical Optics, Astronomy And Astrophysics, Atmospheric And Ocean Optics, Imaging Systems, Instrumentation: Measurement: And Metrology, Spectrometers And Spectroscopic Instrumentation, Telescopes
Scientific paper
A special reflecting Schmidt telescope is used to observe celestial objects. The telescope has an aperture of 4 m, f ratio of 5, and a 5 degrees field of view. Its optical axis is fixed and tilted 25 degrees to the horizontal that runs from south to north. The celestial objects were observed for 1.5 h as they passed through the meridian. The shape of the reflecting Schmidt plate has to be changed with each different declination delta and in the tracking process. This is achieved with active optics. The sky area to be observed is -10 degrees less than or equals delta less than or equals +90 degrees. There are plans to place approximately 4000 optical fibers on the telescope focal surface that will lead to a dozen spectrographs.
Chu Yao-Quan
Cui Xiangqun
Su Ding-qiang
Wang Shou-Guan
Wang Ya-Nan
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