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The real time evolution of post-AGB stars

Published online by Cambridge University Press:  09 October 2020

Marcin Hajduk Open the ORCID record for Marcin Hajduk [Opens in a new window]
Marcin Hajduk*
Affiliation:
University of Warmia and Mazury, ul.Oczapowskiego 2, 10-719 Olsztyn, Poland, email: marcin.hajduk@uwm.edu.pl
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Abstract

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Evolution of post-AGB stars is extremely fast. They cross the HR diagram vertically on a timescale of hundreds to some ten thousands of years to reach maximum temperature in their lifetime. This is reflected in an increasing excitation of planetary nebulae on a timescale of years and decades. Since evolutionary timescale of post-AGB stars is very sensitive to their mass, observed changes can be used to determine model dependent central star masses. If an additional parameter is determined (e.g. luminosity or dynamic age), the observed evolution of planetary nebulae can be utilized for observational verification of theoretical models.

Keywords

stars: AGB and post-AGBplanetary nebulae: generalwhite dwarfsstars: evolutionstars: fundamental parametersHertzsprung-Russell diagram
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 15 , Symposium S357: White Dwarfs as Probes of Fundamental Physics: Tracers of Planetary, Stellar and Galactic Evolution , October 2019 , pp. 154 - 157
Copyright
© International Astronomical Union 2020

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