Observations of Rotating Jets of Carbon Monoxide in Comet Hale–Bopp with the Iram Interferometer |
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| Authors: | Henry Florence Bockelée-Morvan Dominique Crovisier Jacques Wink Jörn |
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| Institution: | (1) Observatoire de Paris, 5 place Jules Janssen, 92195 Meudon, France;(2) IRAM, 300 Rue de la Piscine, 38406 Saint Martin d'Héres, France |
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| 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. |
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| Keywords: | Comet C/1995 O1 (Hale– Bopp) comets interferometry molecules radio lines |
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