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Observations of Rotating Jets of Carbon Monoxide in Comet Hale Bopp with the Iram Interferometer

Florence Henry 1 Dominique Bockelée-Morvan 1 Jacques Crovisier 1 Jörn Wink 2
1 LESIA - Laboratoire d'études spatiales et d'instrumentation en astrophysique
2 IRAM - Institut de RadioAstronomie Millimétrique
Abstract : CO was observed on March 11, 1997 in comet Hale Bopp with theIRAM Plateau de Bure interferometer. The maps show evidence for asymmetrical patterns, due to the Existence of CO jets. Analysis of the spectra and their velocity shifts shows that there is a spiral CO jet rotating in a plane almost perpendicular to the sky plane.This is the first time that rotating jets are observed for parent molecules.We have developed a 3-D model simulating rotating spiral jets of CO gas.We present here the comparison between the observations and our model.
Keywords : Comet C/1995 O1 (Hale-Bopp) comets interferometry molecules radio lines Comet C/1995 O1 (Hale–Bopp)
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https://hal-insu.archives-ouvertes.fr/insu-00241444
Contributor : Florence Henry <>
Submitted on : Wednesday, February 6, 2008 - 12:10:15 PM
Last modification on : Wednesday, February 3, 2021 - 10:50:03 AM

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OBSPM | LESIA | INSU | CNRS | UNIV-PARIS7 | UPMC | USPC | SORBONNE-UNIVERSITE | SU-SCIENCES | UNIV-PARIS | UP-SCIENCES | PSL

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Florence Henry, Dominique Bockelée-Morvan, Jacques Crovisier, Jörn Wink. Observations of Rotating Jets of Carbon Monoxide in Comet Hale Bopp with the Iram Interferometer. Earth, Moon, and Planets, Springer Verlag, 2002, 90, pp.57-60. ⟨10.1023/A:1021508216836⟩. ⟨insu-00241444⟩

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