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Radar observations of Comet P/2005 JQ5 (Catalina)

  • J. K. Harmon
  • , M. C. Nolan
  • , J. L. Margot
  • , D. B. Campbell
  • , L. A.M. Benner
  • , J. D. Giorgini

Research output: Contribution to journalArticlepeer-review

Abstract

Arecibo radar observations of Comet P/2005 JQ5 (Catalina) have produced the first delay-Doppler images of a comet nucleus and the first radar detection of large-grain ejection from a Jupiter-family comet. The nucleus is small (1.4 km diameter), rough, and rapidly rotating. The large (>cm) grains have low velocities (∼1 m/s) and a low production rate.

Original languageEnglish (US)
Pages (from-to)285-288
Number of pages4
JournalIcarus
Volume184
Issue number1
DOIs
StatePublished - Sep 2006
Externally publishedYes

Keywords

  • Comets
  • dust
  • nucleus
  • Radar observations

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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