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Improvement of Type II Photoelectric Astrolabe and Primary Results
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Utilizing the photon counter to register the star through the 60° altitude and a microcomputer to control the telescope pointing, the automatization was attained in the observation of type II photoelectric astrolabe. The limiting magnitude of the improved astrolabe is up to 11.0 and the precision of single determination is ± 0.2 arc — sec. This automatic instrument is more powerful in improving the FK5 system and expanding the current optical celestial system into faint stars.
Cambridge University Press (CUP)
Title: Improvement of Type II Photoelectric Astrolabe and Primary Results
Description:
Utilizing the photon counter to register the star through the 60° altitude and a microcomputer to control the telescope pointing, the automatization was attained in the observation of type II photoelectric astrolabe.
The limiting magnitude of the improved astrolabe is up to 11.
0 and the precision of single determination is ± 0.
2 arc — sec.
This automatic instrument is more powerful in improving the FK5 system and expanding the current optical celestial system into faint stars.
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In the astrolabe, a flat circular plate (the rete) carrying a representation of the ecliptic and some of the stars, is rotated against another circular plat...