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Galactic planetary nebulae as absolute probes: The view from Gaia

Published online by Cambridge University Press:  08 August 2017

Letizia Stanghellini ,
Beatrice Bucciarelli ,
Mario G. Lattanzi  and
Roberto Morbidelli
Letizia Stanghellini
Affiliation:
National Optical Astronomy Observatory 950 N. Cherry Avenue, Tucson (AZ) 85719, USA email: [email protected]
Beatrice Bucciarelli
Affiliation:
INAF-Osservatorio Astronomico di Torino (Italy) email: [email protected], [email protected], [email protected]
Mario G. Lattanzi
Affiliation:
INAF-Osservatorio Astronomico di Torino (Italy) email: [email protected], [email protected], [email protected]
Roberto Morbidelli
Affiliation:
INAF-Osservatorio Astronomico di Torino (Italy) email: [email protected], [email protected], [email protected]
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Abstract

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We searched the first Gaia data release for Galactic central stars of planetary nebulae (CSPNe) for parallaxes in order to determine the distances of the hosting PNe. For the small sample of PNe for which a comparison is available, we show that distances derived from Gaia parallaxes agree, within the uncertainties, with the individual PN distances derived by other reliable methods. While Gaia parallaxes available for Galactic CSPNe are still few, and with high uncertainties, we studied the possibility of building a PN distance scale by using the Gaia distances as calibrators. We found that a scale built on the relation between the linear nebular radius and its surface brightness has promising future applications.

Keywords

planetary nebulae: generalstars: distances
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S323: Planetary Nebulae: Multi-Wavelength Probes of Stellar and Galactic Evolution , October 2016 , pp. 309 - 312
Copyright
Copyright © International Astronomical Union 2017 

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