Statistics of planetary nebulae with [WR] central stars |
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| Authors: | SK Górny |
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| Institution: | (1) Copernicus Astronomical Center, Rabia ska 8, 87–100 Toru, Poland |
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| Abstract: | The status of planetary nebulae with Wolf-Rayet type central stars(WR] PN) remains one of the most important problems inthe investigation of planetary nebulae. We cannot claim to understand theevolution of low and intermediate-mass stars without answering the questionhow WR] PN are created.Analyzing the statistical properties of the whole population of WR] PNand comparing them to other planetary nebulae (non-WR] PN) bringsimportant information on their origin and evolutionary status. In thisarticle I will summarize our results of this type of studies and show whatlimits they put on the possible evolutionary routes of WR] PN creation. |
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