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On the Implementation of Absolute Meridian Observations in Low Latitude Stations

Published online by Cambridge University Press:  04 August 2017

Li Dong-Ming
Li Dong-Ming*
Affiliation:
Beijing Observatory, Academia Sinica

Extract

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Mao et al. (1983) have originally stated that in order to record the transit times of a star at meridian transit as well as at prime verticale transit the chassis of the instrument would have to have two pairs of supports. In my opinion, it may be difficult to develop such an instrument with the required aperture of 20 cm and a focal length of over two meters, especially when the declination system must be very stable.

Type
VI. Transit Circles and Astrolabes
Information
Symposium - International Astronomical Union , Volume 109: Astrometric Techniques , 1986 , pp. 567 - 568
Copyright
Copyright © Reidel 1986 

References

1. Mao, Wei et al. 1983. Acta Astronomica Sinica. 24, p. 169.Google Scholar