Neutral sodium from comet Hale-Bopp: a third type of tail

@inproceedings{GCremonese1997NeutralSF,
  title={Neutral sodium from comet Hale-Bopp: a third type of tail},
  author={G.Cremonese and H.Boehnhardt and J.Crovisier and A.Fitzsimmons and M.Fulle and J.Licandro and D.Pollacco and H.Rauer and G.P.Tozzi and R.M.West},
  year={1997}
}
  • G.Cremonese, H.Boehnhardt, +7 authors R.M.West
  • Published 1997
  • Physics
  • We report on the discovery and analysis of a striking neutral sodium gas tail associated with comet C/1995 O1 Hale-Bopp. Sodium D-line emission has been observed at heliocentric distance r<1.4 AU in some long-period comets and the presence of neutral sodium in the tailward direction of a few bright comets has been noted, but the extent, and in particular the source, has never been clear. Here we describe the first observations and analysis of a neutral sodium gas tail in comet Hale-Bopp… CONTINUE READING
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