Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.218..277a&link_type=abstract
Astrophysics and Space Science, vol. 218, no. 2, p. 277-303
Astronomy and Astrophysics
Astrophysics
1
Abundance, Argon, Helium, Hydrogen, Magellanic Clouds, Neon, Nitrogen, Oxygen, Planetary Nebulae, Spatial Distribution, Stellar Mass, Astronomical Models, Correlation, Error Analysis, Galactic Evolution, Milky Way Galaxy, Stellar Luminosity, Stellar Temperature
Scientific paper
Dependencies of galactic planetary nebula chemical abundances and their central star masses on the distance from the galactic plane are discussed. Z-dependencies of He/H, N/H, N/O, and Ar/H and dependencies of He/H, N/H, N/O, Ne/H and Ar/H on central star mass are found. Three galactic planetary nebula distance scale samples are used and it is shown that the distance scale system (where distances of each planetary nebula mass class are determined with the separate scale) is the most reliable. The correlations obtained for the Magellanic Cloud planetary nebulae are used for comparison.
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