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High Resolution CO Imaging of a Cometary Globule in the Helix Nebula

Published online by Cambridge University Press:  26 May 2016

P. J. Huggins ,
T. Forveille ,
R. Bachiller  and
P. Cox
P. J. Huggins
Affiliation:
Physics Department, New York University, New York NY 10003, USA
T. Forveille
Affiliation:
Observatoire de Grenoble, B.P. 53X, 38041 Grenoble Cedex, France
R. Bachiller
Affiliation:
Observatorio Astronómico Nacional, E-28800 Alcalá de Henares, Spain
P. Cox
Affiliation:
IAS, Université de Paris XI, 91405 Orsay, France

Abstract

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We report high resolution CO (1–0) line imaging of a prominent cometary globule in the Helix Nebula. The results confirm earlier observations (Huggins et al. 1992) that globules consist of dense condensations of neutral gas embedded in the ionized nebula, and they provide new constraints on the structure and kinematics of the gas.

Type
Part V: Dust and Molecules in Planetary Nebulae
Information
Symposium - International Astronomical Union , Volume 209: Planetary Nebulae: Their Evolution and Role in the Universe , 2003 , pp. 277 - 278
Copyright
Copyright © Astronomical Society of the Pacific 2003 

References

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