Do most planetary nebulae come from binaries?

Details Do most planetary nebulae come from binaries? Do most planetary nebulae come from binaries?

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..148d&link_type=abstract

NOAO Proposal ID #2010A-0148

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Scientific paper

There is evidence suggesting that the vast majority of planetary nebulae (PNe) harbor close binary central stars. If so, PNe would be a binary interaction phenomenon. If this were the case, there would be repercussion in our understanding of galactic enrichment, nebular shaping mechanisms, and the relationship between central stars of PN and other post-common envelope and strong interaction binary classes. In this proposal we seek to test this hypothesis by determining the central star binary fraction. So far we know that 15-20% of central stars of PN are in binaries with periods

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