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The Design of Modern Meridian Circles for the Observation of Faint Objects

Published online by Cambridge University Press:  04 August 2017

M. Yoshizawa  and
M. Miyamoto
M. Yoshizawa
Affiliation:
Tokyo Astronomical Observatory, Mitaka, Tokyo 181, Japan
M. Miyamoto
Affiliation:
Tokyo Astronomical Observatory, Mitaka, Tokyo 181, Japan

Abstract

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Definitions of Instantaneous Instrumental Coordinates and Local Horizontal Coordinates of the photoelectric meridian circle of Tokyo Astronomical Observatory are given, and a method to determine the positions of stars by using a scanning double slits micrometer are presented. It is found that stars up to 12.2 mag are observable by making a composite photon intensity. Discussions on the application of observations of faint objects by meridian circles are presented.

Type
VI. Transit Circles and Astrolabes
Information
Symposium - International Astronomical Union , Volume 109: Astrometric Techniques , 1986 , pp. 449 - 458
Copyright
Copyright © Reidel 1986 

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