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The Binary Central Star of Hf 38

Published online by Cambridge University Press:  08 August 2017

Helen Barker Open the ORCID record for Helen Barker [Opens in a new window]
Helen Barker*
Affiliation:
Dept. of Astronomy & Astrophysics, The University of Manchester, Oxford Road, Manchester, UK email: helen.barker@postgrad.manchester.ac.uk
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Abstract

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Despite years of effort, the impact of central star binarity on planetary nebula formation and shaping remains unclear. This is hampered by the fact that detecting central star binarity is inherently difficult, and requires very precise observations. The fraction of planetary nebulae with binary central stars therefore remains elusive. This work presents initial results of central star analysis using data from the VST Hα Survey of the Southern Galactic Plane and Bulge (VPHAS+). The true central star of PN Hf 38 has been revealed, and it exhibits a 0.465±0.334 i band magnitude excess, indicative of a M0V companion.

Keywords

planetary nebulaebinarity
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. 382 - 383
Copyright
Copyright © International Astronomical Union 2017 

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