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A Comparison of Star/Galaxy Classification Approaches on Digitised Poss-II Plates

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Digitised Optical Sky Surveys

Part of the book series: Astrophysics and Space Science Library ((ASSL,volume 174))

Abstract

We have compared the use of so-called ‘parametric’ and ‘resolution’-based object classifiers on digitized images from the Second Palomar Observatory Sky Survey. We find that the latter approach, involving the fitting of two-dimensional templates to each detected object, can provide reasonable discrimination at levels approximately a magnitude fainter than the former. We will employ this technique to significantly increase the depth of a galaxy survey using Palomar Schmidt plates.

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References

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Author information

Authors and Affiliations

  1. Division of Physics, Mathematics and Astronomy, California Institute of Technology, Pasadena, CA, 91125, USA

    N. Weir & A. Picard

Authors
  1. N. Weir
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  2. A. Picard
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Editor information

Editors and Affiliations

  1. Royal Observatory, Edinburgh, Scotland

    H. T. MacGillivray  & E. B. Thomson  & 

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© 1992 Springer Science+Business Media Dordrecht

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Weir, N., Picard, A. (1992). A Comparison of Star/Galaxy Classification Approaches on Digitised Poss-II Plates. In: MacGillivray, H.T., Thomson, E.B. (eds) Digitised Optical Sky Surveys. Astrophysics and Space Science Library, vol 174. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2472-0_29

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  • DOI: https://doi.org/10.1007/978-94-011-2472-0_29

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-5091-3

  • Online ISBN: 978-94-011-2472-0

  • eBook Packages: Springer Book Archive

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