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Machine-Processing of Objective-Prism Plates at the Royal Observatory, Edinburgh

Published online by Cambridge University Press:  12 April 2016

Roger G Clowes
Roger G Clowes*
Affiliation:
Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, Scotland

Abstract

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This paper reviews the methods and early results of work in progress at the Royal Observatory, Edinburgh that involves the machine-processing of objective-prism plates. This work is in two categories: (i) semi-automated galaxy redshifts, and (ii) automated quasar detection. The galaxy redshifts are used, for example, to determine the radial velocities of clusters, to test cluster membership, to reveal superimposed clusters, and to reveal connecting bridges between clusters. Automated quasar detection uses selection criteria that are known, pre-defined and rigidly maintained to select complete samples of quasars. Unlike the earlier visual samples of optically-selected quasars these new samples are well suited to work in cosmology and the collective properties of quasars.

Type
Research Article
Information
International Astronomical Union Colloquium , Volume 78: Astronomy with Schmidt-type telescopes , 1984 , pp. 107 - 120
Copyright
Copyright © Reidel 1984

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