Wide field imaging of ion tail of comet C/Hale-Bopp

D. Kinoshita, J. Watanabe, H. Fukushima, T. Sekiguchi, N. Yamamoto, S. Abe

Research output: Contribution to journalArticlepeer-review

Abstract

A sequential imaging observation of the ion tail of Comet C/Hale-Bopp 1995O1 was carried out in February-March 1997 with a wide-field CCD imaging camera using narrow band filters for two ion species; CO+ and H2O+ along with those for blue and red continuum. From the surface photometry of the ion tail of two species, we derived a relationship between plasma density and distance from the nucleus. The local velocity of the ion flow as a function of the distance from the nucleus was also estimated on the basis of some assumptions. We report preliminary results of our analysis, and discuss some characteristics of cometary plasma and its interaction with interplanetary magnetic field (IMF).

Original languageEnglish
Pages (from-to)265-269
Number of pages5
JournalEarth, Moon and Planets
Volume77
Issue number3
DOIs
StatePublished - 1997

Keywords

  • Cometary plasma
  • Interplanetary magnetic field
  • Solar wind

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