The Importance of Photoelectric Heating by Dust in Planetary Nebulae

Details The Importance of Photoelectric Heating by Dust in Planetary Nebulae The Importance of Photoelectric Heating by Dust in Planetary Nebulae

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...539..742d&link_type=abstract

The Astrophysical Journal, Volume 539, Issue 2, pp. 742-750.

Astronomy and Astrophysics

Astronomy

27

Ism: Dust, Extinction, Ism: Abundances, Ism: Planetary Nebulae: General, Radiative Transfer

Scientific paper

We present theoretical self-consistent models of planetary nebulae including detailed dust heating. Galactic, LMC, and SMC abundance patterns are used in a comparison of dusty and dust-free models. We show that dust has a strong effect on the thermal structure and emission-line spectrum of highly ionized species in planetary nebulae. These models have implications for excitation and energy balance methods for determining central star temperatures. We present results for [O III] λ5007 and [N II] λ6583 lines for Galactic, LMC, and SMC abundances.

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