Hostname: page-component-848d4c4894-8kt4b Total loading time: 0 Render date: 2024-06-26T08:17:43.016Z Has data issue: false hasContentIssue false

The neutral shells of Planetary Nebulae

Published online by Cambridge University Press:  25 May 2016

Antonella Natta
Affiliation:
1Osservatorio di Arcetri, Firenze
David Hollenbach
Affiliation:
2NASA Ames Research Center, Moffett Field, California

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Recent observations of a number of molecular lines, among them the H2 2μm vibrational transitions, have clearly shown that in many planetary nebulae (PNe) a significant component of the eject mass is neutral.

Type
IV. Envelopes
Copyright
Copyright © Kluwer 1997