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Modernization of Chinese Photoelectric Astrolabes and Improvement of Optical Reference System

Published online by Cambridge University Press:  19 July 2016

Li Dong-Ming ,
Wang Hong-Qi ,
Zhao Gang ,
Wang Ze-Zhi  and
Wang Rui
Li Dong-Ming
Affiliation:
1Purple Mountain Observatory, Nanjing, China
Wang Hong-Qi
Affiliation:
2Shanxi Observatory, Xian, China
Zhao Gang
Affiliation:
3Shanghai Observatory, Shanghai, China
Wang Ze-Zhi
Affiliation:
4Beijing Observatory, Beijing, China
Wang Rui
Affiliation:
5Yunnan Observatory, Kunming, China

Extract

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The features of the astrolabe are that:

(1) a span of 6 hour of R.A. of star positions can be tied in a group of observation of 2 hours, all-night observation can cover more than half of the sky, and

(2) the declination system can be set up with high precision without the need of a precise circle (Li 1987).

Type
Part 4: Realization and comparison of reference frames
Information
Symposium - International Astronomical Union , Volume 141: Inertial Coordinate System on the Sky , 1990 , pp. 519 - 520
Copyright
Copyright © Kluwer 1990 

References

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Guinot, B. et al. : 1961, Bull. Astron. , 23, 307.Google Scholar
IAU Commission 8: 1986, Transactions of the IAU , XIXB, 111.Google Scholar
Qi, Li : 1987, Astron. Astrophys. , 174, 307.Google Scholar