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CO in planetary nebulae

Published online by Cambridge University Press:  04 August 2017

P. J. Huggins  and
A. P. Healy
P. J. Huggins
Affiliation:
Physics Department New York University 4, Washington Place New York, NY 10003 U.S.A.
A. P. Healy
Affiliation:
Physics Department New York University 4, Washington Place New York, NY 10003 U.S.A.

Abstract

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We report the first detection of millimeter CO emission in two highly evolved planetary nebulae: NGC 6720 and NGC 7293. The CO is a useful probe of the structure and kinematics of the molecular gas in the nebulae, and provides an estimate of the mass of material which remains un-ionized by the central star.

Type
Planetary Nebulae
Information
Symposium - International Astronomical Union , Volume 122: Circumstellar Matter , 1987 , pp. 505 - 506
Copyright
Copyright © Reidel 1987 

References

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Knapp, G. R. 1985, in “Mass Loss from Red Giants”, eds. Morris, M. and Zuckerman, B. (Dordrecht: Reidel), pl71.Google Scholar
Pottasch, S. R. 1980, Astr. Ap., 89, 336.Google Scholar