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Evidence that Inter...
Evidence that Interaction with the Spacecraft Plasma Wake Generates Plasma Waves Close to the Electron Cyclotron Frequency in the Near-Sun Solar Wind
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- Malaspina, David M. (author)
- Univ Colorado, Astrophys & Planetary Sci Dept, Boulder, CO USA.;Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO USA.
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- Tigik, Sabrina F. (author)
- KTH,Rymd- och plasmafysik
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- Vaivads, Andris (author)
- KTH,Rymd- och plasmafysik
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Univ Colorado, Astrophys & Planetary Sci Dept, Boulder, CO USA;Univ Colorado, Lab Atmospher & Space Phys, Boulder, CO USA. Rymd- och plasmafysik (creator_code:org_t)
- 2022-09-09
- 2022
- English.
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In: Astrophysical Journal Letters. - : American Astronomical Society. - 2041-8205 .- 2041-8213. ; 936:2
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Subject headings
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- Prior observations of the near-Sun solar wind (sunward of 0.25 au) identified frequent, intense plasma waves near the local electron cyclotron frequency (f (ce)), and its harmonics. In this Letter, it is shown that near-f (ce) wave properties are consistent with generation via interaction between the observing spacecraft's ion wake and the ambient plasma and magnetic fields. This result implies that many observed near-f (ce) waves are not intrinsic to the unobstructed solar wind flow, and therefore are unlikely to play a significant role in the dynamic evolution of particle distributions in the solar wind.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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