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Open AccessArticle

Radio Continuum Spectra of Planetary Nebulae

1
Space Radio-Diagnostics Research Centre, University of Warmia and Mazury in Olsztyn, Prawocheńskiego 9, 10-720 Olsztyn, Poland
2
Royal Observatory of Belgium, Ringlaan 3, B-1180 Brussels, Belgium
3
Faculty of Mathematics and Computer Sciences, University of Warmia and Mazury in Olsztyn, Słoneczna 54, 10-720 Olsztyn, Poland
4
Department of Astronomy and Astrophysics, The University of Manchester, Manchester M13 9PL, UK
*
Author to whom correspondence should be addressed.
Galaxies 2019, 7(1), 6; https://doi.org/10.3390/galaxies7010006
Received: 4 December 2018 / Revised: 20 December 2018 / Accepted: 21 December 2018 / Published: 27 December 2018
(This article belongs to the Special Issue Asymmetric Planetary Nebulae VII)
Radio continuum emission of planetary nebulae is a rich source of information about their structure and physical parameters. Although radio emission is well studied, planetary nebulae show higher spectral indices than expected for homogeneous sphere. A few competing models exist in the literature to explain this discrepancy. We propose that it is related to non-spherical morphology of most of planetary nebulae. View Full-Text
Keywords: planetary nebulae; AGB and post-AGB; interstellar medium; radio continuum; winds; outflows planetary nebulae; AGB and post-AGB; interstellar medium; radio continuum; winds; outflows
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Hajduk, M.; Van Hoof, P.A.M.; Sniadkowska, K.; Krankowski, A.; Błaszkiewicz, L.; Dabrowski, B.; Zijlstra, A.A. Radio Continuum Spectra of Planetary Nebulae. Galaxies 2019, 7, 6.

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