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10. The Precision of the Determination of Star Motions with Respect to the Extra-Galactic Nebulae

Published online by Cambridge University Press:  02 August 2017

C. D. Shane  and
S. Vasilevskis

Extract

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The programme of proper motions with the 20-inch astrograph of the Lick Observatory was conceived and planned by Dr W H. Wright, formerly Director of the Lick Observatory. Not only did he formulate the work in considerable detail but he obtained the grant to purchase the telescope and planned it as a precision instrument admirably adapted to its purpose. A paper published in the Proceedings of the American Philosophica Society, Vol. 94, no. 1, 1950, describes the programme as formulated by Dr Wright.

Type
Part IV Symposia
Information
Transactions of the International Astronomical Union , Volume 8 , September 1954 , pp. 794 - 800
Copyright
Copyright © Cambridge University Press 1954

References

* Wright, W. H., Proc. Amer. Phil. Soc. 94, 1, 1950.Google Scholar