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Links between Symbiotic and Planetary Nebulae

Published online by Cambridge University Press:  22 February 2018

J. A. López ,
K. Escalante  and
H. Riesgo-Tirado
J. A. López
Affiliation:
Instituto de Astronomίa, UNAM, Apdo Postal 877, 22800 Ensenada, Baja California, México
K. Escalante
Affiliation:
Instituto de Astronomίa, UNAM, Apdo Postal 877, 22800 Ensenada, Baja California, México
H. Riesgo-Tirado
Affiliation:
Instituto de Astronomίa, UNAM, Apdo Postal 877, 22800 Ensenada, Baja California, México

Extract

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Planetary nebulae (PNe) represent a well defined stage of stellar evolution, where the characteristics of both, the central star and the gaseous envelope have defined properties. A large fraction of PNe contain binary nuclei, therefore, binary evolution plays an important role in the AGB and proto-planetary stages under certain circumstances. Symbiotic nebulae with extended envelopes (D-type), are identified with binary systems where the primary component is usually a Mira giant and the companion a hot white dwarf. Some of these systems resemble planetary nebulae and as a consequence can lead to misleading interpretations. Here we discuss some relevant links and differences between these two types of nebulae.

Type
The Contributed Papers
Information
International Astronomical Union Colloquium , Volume 194: Compact binaries in the galaxy and beyond , 2004 , pp. 226 - 227
Copyright
Copyright © Instituto de astronomia/revista mexicana de astronomίa y astrofίsica 2004

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