The Nature and Frequency of the Gas Outbursts in Comet 67P/Churyumov-Gerasimenko observed by the Alice Far-ultraviolet Spectrograph on Rosetta

  title={The Nature and Frequency of the Gas Outbursts in Comet 67P/Churyumov-Gerasimenko observed by the Alice Far-ultraviolet Spectrograph on Rosetta},
  author={P. Feldman and M. A’Hearn and L. Feaga and J. Bertaux and J. Noonan and J. Parker and E. Schindhelm and A. Steffl and S. Stern and H. Weaver and Jhu and Umd and Latmos and SwRI and Jhu-Apl},
  journal={arXiv: Earth and Planetary Astrophysics},
Alice is a far-ultraviolet imaging spectrograph onboard Rosetta that, amongst multiple objectives, is designed to observe emissions from various atomic and molecular species from within the coma of comet 67P/Churyumov-Gerasimenko. The initial observations, made following orbit insertion in August 2014, showed emissions of atomic hydrogen and oxygen spatially localized close to the nucleus and attributed to photoelectron impact dissociation of H2O vapor. Weaker emissions from atomic carbon were… Expand

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