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New kinematic distance scale for the Galactic planetary nebulae

Published online by Cambridge University Press:  30 August 2012

Alexander F. Kholtygin ,
Igor' I. Nikiforov  and
Vitalii V. Akimkin
Alexander F. Kholtygin
Affiliation:
Sobolev Astronomical Institute, Saint Petersburg State University, Universitetskij pr. 28, Staryj Peterhof, Saint Petersburg 198504, Russia email: afkholtygin@gmail.com
Igor' I. Nikiforov
Affiliation:
Sobolev Astronomical Institute, Saint Petersburg State University, Universitetskij pr. 28, Staryj Peterhof, Saint Petersburg 198504, Russia email: afkholtygin@gmail.com
Vitalii V. Akimkin
Affiliation:
Astronomical Institute of Russian Academy of Science, Russia
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Abstract

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We analyze the kinematics of disk planetary nebulae (PNe) to derive the formal Galactic center distance, R0, for three catalogues of PNe distances. Then we correct the catalogues' distance scales renormalizing the PNe distances by the ratios of formal R0 values to a best modern value of R0 =7.9 kpc. The created new catalogue of disk's PNe distances was found to be in a good agreement with distances by Stanghellini et al. (2008). Our catalogue of PNe distances was used to recalibrate the statistical distance scale for all Galactic PNe.

Keywords

Planetary nebulae: generalGalaxy: kinematics and dynamics
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S283: Planetary Nebulae: An Eye to the Future , July 2011 , pp. 406 - 407
Copyright
Copyright © International Astronomical Union 2012

References

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