Physics
Scientific paper
Sep 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.535..717k&link_type=abstract
In: Solar variability as an input to the Earth's environment. International Solar Cycle Studies (ISCS) Symposium, 23 - 28 June 2
Physics
1
Solar Telescopes: Spectrographs, Ccd Detectors
Scientific paper
In 1980s two medium-size horizontal solar telescopes 50/35000 cm with large spectrographs Czerny-Turner made by Carl Zeiss Jena were installed in the Ondřejov observatory. After two decases of utilization the electronics and all the control system of both instruments were replaced by an up-to-date technique. According to the recent scientific plans, one of the Czerny-Turner spectrographs will be used as a multichannel one. Then, instead of a large scale photographic detector, up to 5 CCD cameras will be used. The aim of this contribution is to optimize the distribution of the cameras in the limited space for obtaining the best angular spectra resolution in particular selected spectral lines and to calculate the optimized focal lengths of the cameras for having a right size of the image projected on the CCD-chip.
Kotrč Pavel
Kschioneck Kirsten
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