Galactic electron temperature gradient from planetary nebulae

Details Galactic electron temperature gradient from planetary nebulae Galactic electron temperature gradient from planetary nebulae

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...149..365m&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 149, no. 2, Aug. 1985, p. 365-371. Research supported by the Fundacao de Ampar

Astronomy and Astrophysics

Astrophysics

27

Abundance, Electron Energy, Milky Way Galaxy, Planetary Nebulae, Cosmic Dust, Hydrogen Ions, Stellar Temperature, Temperature Gradients

Scientific paper

Planetary nebulae of types I and II are considered in order to investigate a correlation between the nebular electron temperature and the galactocentric distance. A gradient is observed indicating that type II planetary nebulae farther from the galactic centre have systematically higher electron temperatures, which is interpreted in terms of the heavy-element abundances.

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