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Title:
A study of some southern planetary nebulae
Authors:
Meatheringham, Stephen J.; Wood, P. R.; Faulkner, D. J.
Affiliation:
AA(Mount Stromlo and Siding Spring Observatoires, Canberra, Australia), AB(Mount Stromlo and Siding Spring Observatoires, Canberra, Australia), AC(Mount Stromlo and Siding Spring Observatoires, Canberra, Australia)
Publication:
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 334, Nov. 15, 1988, p. 862-874. (ApJ Homepage)
Publication Date:
11/1988
Category:
Astrophysics
Origin:
STI
NASA/STI Keywords:
Ionized Gases, Magellanic Clouds, Milky Way Galaxy, Planetary Nebulae, Radial Velocity, Southern Sky, Astronomical Catalogs, Electron Density (Concentration), Galactic Nuclei, Helium Ions, Oxygen Ions
DOI:
10.1086/166882
Bibliographic Code:
1988ApJ...334..862M

Abstract

Radial velocities and expansion velocities ([O III], [O II], and He II) have been measured for a sample of 64 southern Galactic planetary nebulae. Nebular electronic densities have been derived from the [O II] lambdalambda3727, 3729 doublet for 23 of these objects. These data are compared with previously published values. The distance scale of Dopita and coworkers for Magellanic Cloud planetary nebulae, based on a correlation between observable nebular parameters, is used to derive distances to 33 Galactic nebulae. Nebular ionized masses are calculated for these objects and exhibit a large range from ≡10-3 to ≡0.6 M_sun;.

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