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High Resolution CO Imaging of a Cometary Globule in the Helix Nebula
2003
Symposium - International astronomical union
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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.
doi:10.1017/s0074180900208759
fatcat:vnamhfvko5g4fclby3pz7nbqa4