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Morphologies of the Nebulae around "born-again" Central Stars of Planetary Nebulae by Kimeswenger, S.; Zijlstra, A. A.; van Hoof, P. A. M.; Hajduk, M.; Herwig, F.; Lechner, M. F. M.; Eyres, S. P. S.; Van de Steene, G. C. is a scholarly article available to read on EtoBox.

What is Morphologies of the Nebulae around "born-again" Central Stars of Planetary Nebulae about?

While in the past spherodicity was assumed, and still is used in modeling of most nebulae, we know now that only a small number of planetary nebulae (PNe) are really spherical or at least nearly round. Round planetary nebulae are the minority of objects. In the case of those objects that underwent a very late helium flash (called VLTP objects or ``born-again'' PNe) it seems to be different. The first, hydrogen-rich PN, is more or less round. The ejecta from the VLTP event, in contrast, are extremely asymmetrical.

Author

Kimeswenger, S.; Zijlstra, A. A.; van Hoof, P. A. M.; Hajduk, M.; Herwig, F.; Lechner, M. F. M.; Eyres, S. P. S.; Van de Steene, G. C.

Published

2008

Language

EN