A study of some southern planetary nebulae

Details A study of some southern planetary nebulae A study of some southern planetary nebulae

Nov 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...334..862m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 334, Nov. 15, 1988, p. 862-874.

Astronomy and Astrophysics

Astrophysics

54

Ionized Gases, Magellanic Clouds, Milky Way Galaxy, Planetary Nebulae, Radial Velocity, Southern Sky, Astronomical Catalogs, Electron Density (Concentration), Galactic Nuclei, Helium Ions, Oxygen Ions

Scientific paper

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] λλ3727, 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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