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Hot Haloes of Planetary Nebulae

Published online by Cambridge University Press:  26 May 2016

Romuald Tylenda
Romuald Tylenda*
Affiliation:
Department for Astrophysics, N. Copernicus Astronomical Centre, Rabiańska 8, 87-100 Toruń, Poland

Abstract

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We present model results of time-dependent ionization of a nebula with a halo. Fast transition of the ionization front across the halo causses its heating well above the equilibrium temperature. For a long time after this event the halo is observed as hotter than the main inner nebula, in agreement with observations of some planetary nebulae.

Type
Part VII: Nebular Morphology and Dynamics
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 451 - 452
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

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