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New and Misclassified Planetary Nebulae
Published online by Cambridge University Press: 07 August 2017
Extract
This fourth supplementary list to the CGPN (Perek, Kohoutek, 1967) contains 81 new objects (Table 1) which were published mainly between 1987 and 1990. We did not include as new PN those objects, which are in a transition phase between AGB and PN (no emission lines), and possible post-PN namely objects having central stars on the evolutionary way to WD and without nebulae. The possible pre–PN are summarized in a separate incomplete list as an Appendix to Table 1.
- Type
- I. The Observational PN Database
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- Copyright © Kluwer 1993
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