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Several evolutionary channels for bright planetary nebulae

Published online by Cambridge University Press:  09 May 2016

Michael G. Richer  and
Marshall L. McCall
Michael G. Richer
Affiliation:
Instituto de Astronomí a, Universidad Nacional Autónoma de México, Apartado Postal 106, 22800 Ensenada, Baja California, México email: [email protected]
Marshall L. McCall
Affiliation:
Department of Physics and Astronomy, York University, Toronto, Ontario L3T 3R1, Canada email: [email protected]
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Abstract

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The populations of bright planetary nebulae in the discs of spirals appear to differ in their spectral properties from those in ellipticals and the bulges of spirals. The bright planetary nebulae from the bulge of the Milky Way are entirely compatible with those observed in the discs of spiral galaxies. The similarity might be explained if the bulge of the Milky Way evolved secularly from the disc, in which case the bulge should be regarded as a pseudo-bulge.

Keywords

(ISM:) planetary nebulae: generalstars: evolution
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 11 , Issue S317: The General Assembly of Galaxy Halos: Structure, Origin and Evolution , August 2015 , pp. 344 - 345
Copyright
Copyright © International Astronomical Union 2016 

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