Abstract
A protoplanetary nebula is the result of the mass loss that occurs as a red giant star evolves into the core of a planetary nebula. The mass loss produces a cool, massive, and slowly expanding envelope around the dying star. Fast and hot winds, emanating from the central star as it approaches the white dwarf stage, overtake and interact with the more slowly-moving envelope (e.g. Kwok 1982, Ap.J., 258, 280). CRL 2688 is a particularly interesting case of this phenomenon, which we have been studying at the JCMT and the UKIRT.
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© 1990 Springer Science+Business Media Dordrecht
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Smith, M.G., Geballe, T.R., Sandell, G., Aspin, C. (1990). Hot Molecular Gas in the Protoplanetary Nebula CRL 2688. In: Watt, G.D., Webster, A.S. (eds) Submillimetre Astronomy. Astrophysics and Space Science Library, vol 158. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-6850-0_7
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DOI: https://doi.org/10.1007/978-94-015-6850-0_7
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-015-6852-4
Online ISBN: 978-94-015-6850-0
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