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The role of the Automated Plate Measuring (APM) machine in developing a program to discover QSOs automaticallyThe scanning of a direct plate with the automatic plate measuring machine which results in the automated selection and description of images is described. The selection of QSO candidates based on color-color diagrams constructed from the APM image data and the analysis of APM raster data for QSOs selected visually from objective prism plates are also discussed.
Document ID
19840019985
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Turnshek, D. (Pittsburgh Univ. Pittsburgh, PA, United States)
Briggs, F. (Pittsburgh Univ. Pittsburgh, PA, United States)
Hazard, C. (Pittsburgh Univ. Pittsburgh, PA, United States)
Mcmahon, R. (Cambridge Univ.)
Terlevich, R. (Cambridge Univ.)
Kibblewhite, E. J. (Cambridge Univ.)
Irwin, M. (Cambridge Univ.)
Date Acquired
August 12, 2013
Publication Date
July 1, 1984
Publication Information
Publication: NASA. Goddard Space Flight Center Astron. Microdensitometry Conf.
Subject Category
Instrumentation And Photography
Accession Number
84N28054
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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IDRelationTitle19840019951Collected WorksAstronomical Microdensitometry Conference
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