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Galactic Distribution, Radial Velocities and Masses of PN

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Planetary Nebulae

Part of the book series: International Astronomical Union / Union Astronomique Internationale ((IAUS,volume 131))

Abstract

Since the discovery in 1779 of the first planetary nebula in the Lyra constellation by Antoine Darquier, the total number of objects known as PN has been steadily increasing. About 1600 PN have been identified in the Galaxy, although 10–20% are probably misclassified objects, which include H II regions, reflection nebulae, symbiotic stars, etc. (see for example Kohoutek, 1987; Acker et al., 1987; Stenholm and Acker, 1987).

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© 1989 International Astronomical Union

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Maciel, W.J. (1989). Galactic Distribution, Radial Velocities and Masses of PN. In: Torres-Peimbert, S. (eds) Planetary Nebulae. International Astronomical Union / Union Astronomique Internationale, vol 131. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0865-9_24

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  • DOI: https://doi.org/10.1007/978-94-009-0865-9_24

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-0-7923-0003-8

  • Online ISBN: 978-94-009-0865-9

  • eBook Packages: Springer Book Archive

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