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Ceres interaction with the solar wind
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- Lindkvist, Jesper, 1986- (author)
- Umeå universitet,Institutionen för fysik,Swedish Institute of Space Physics, Kiruna
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- Holmström, Mats (author)
- Swedish Institute of Space Physics, Kiruna
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- Fatemi, Shahab (author)
- Space Sciences Laboratory, UC Berkeley
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- (creator_code:org_t)
- 2017
- 2017
- English.
- In: Geophysical Research Letters. - 0094-8276 .- 1944-8007. ; 44:5, s. 2070-2077
- Journal article (peer-reviewed)
Abstract
Subject headings
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- The solar wind interaction with Ceres is studied for a high water vapor release from its surface using a hybrid model including photoionization. We use a water vapor production rate of 6 kg/s, thought to be due to subsurface sublimation, corresponding to a detection on 6 March 2013 by the Herschel Space Observatory. We present the general morphology of the plasma interactions, both close to Ceres and on a larger scale. Mass loading of water ions causes a magnetic pileup region in front of Ceres, where the solar wind deflects up to 15 ∘ and slows down by 15%. The global plasma interaction with Ceres is not greatly affected by the source location of water vapor nor on gravity, only on the production rate of water vapor. On a global scale, Ceres has a comet-like interaction with the solar wind with observable perturbations farther than 250 Ceres radii downstream of the body.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- rymd- och plasmafysik
- Space and Plasma Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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