Are STEREO Single Hits Dust Impacts?

P. J. Kellogg, K. Goetz, S. J. Monson

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


A certain type of impulsive signal in the Solar Terrestrial Relations Observatory (STEREO) electric field data has been identified as impacts of small dust, nanodust, entrained by the solar wind and accelerated to solar wind speeds, so that their speed compensates, in the emitted cloud, for their small size. It is argued here that these signals, called single hit signals, are not due to nanodust nor to dust impacts at all, as they have some characteristics which are not compatible with random hits by interplanetary and interstellar dust. The major observational data for the flux of nanodust are then in question. Another cause of these signals, however, is not given, and their cause is unknown.

Original languageEnglish (US)
Pages (from-to)7211-7219
Number of pages9
JournalJournal of Geophysical Research: Space Physics
Issue number9
StatePublished - Sep 2018

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©2018. American Geophysical Union. All Rights Reserved.


  • dust impacts
  • nanodust


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