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Classification of Optical Jets in Galaxies

  • William C. Keel
Chapter
Part of the Astrophysics and Space Science Library book series (ASSL, volume 121)

Abstract

New, deep images of galaxies reported in various catalogs to have optical jets show that most are not jets, but tidal features, polar rings, or superpositions. From those objects that do seem to represent nuclear ejecta, criteria of brightness relative to the parent galaxy, width, and location have been derived, which should produce much purer samples of optical jets. Jet-like features in ESO 0610-23, UGC 3995, and NGC 1598 are described. Finally, a new search of the SRC IIIa-J survey is described, which was intended to incorporate the new criteria and provide a large sample of optically selected jets for detailed study.

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References

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Copyright information

© Springer Science+Business Media Dordrecht 1986

Authors and Affiliations

  • William C. Keel
    • 1
  1. 1.Kitt Peak National ObservatoryNational Optical Astronomy ObservatoriesTucsonUSA

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