J
Joachim Woch
Researcher at Max Planck Society
Publications - 227
Citations - 8045
Joachim Woch is an academic researcher from Max Planck Society. The author has contributed to research in topics: Magnetosphere & Solar wind. The author has an hindex of 51, co-authored 213 publications receiving 7319 citations.
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Journal ArticleDOI
Solar Wind-Induced Atmospheric Erosion at Mars: First Results from ASPERA-3 on Mars Express
Rickard Lundin,Stas Barabash,H. Andersson,Mats Holmström,A. Grigoriev,Masatoshi Yamauchi,Jean-André Sauvaud,Andrei Fedorov,E. Budnik,J. J. Thocaven,D. Winningham,R. A. Frahm,J. Scherrer,J. R. Sharber,Kazushi Asamura,Hajime Hayakawa,Andrew J. Coates,D. R. Linder,C. C. Curtis,K. C. Hsieh,Bill R. Sandel,Manuel Grande,M. Carter,D. H. Reading,Hannu Koskinen,Esa Kallio,P. Riihela,Walter Schmidt,T. Sales,Janet U. Kozyra,Norbert Krupp,Joachim Woch,Janet G. Luhmann,S. McKenna-Lawler,R. Cerulli-Irelli,Stefano Orsini,M. Maggi,Alessandro Mura,Anna Milillo,Edmond C. Roelof,D. J. Williams,Stefano Livi,Pontus Brandt,Peter Wurz,Peter Bochsler +44 more
TL;DR: The Analyzer of Space Plasma and Energetic Atoms (ASPERA) on board the Mars Express spacecraft found that solar wind plasma and accelerated ionospheric ions may be observed all the way down to theMars Express pericenter of 270 kilometers above the dayside planetary surface, implying direct exposure of the martian topside atmosphere toSolar wind plasma forcing.
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Three-dimensional magnetic field topology in a region of solar coronal heating.
TL;DR: The observations reveal two magnetic features that characterize young active regions on the Sun: a set of rising magnetic loops and a tangential discontinuity of the magnetic field direction, the latter being the observational signature of an electric current sheet, providing strong support for coronal heating models based on the dissipation of magnetic energy at current sheets.
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Dynamics of Saturn's magnetosphere from MIMI during Cassini's orbital insertion.
Stamatios M. Krimigis,D. G. Mitchell,D. C. Hamilton,Norbert Krupp,Stefano Livi,Edmond C. Roelof,J. Dandouras,Thomas P. Armstrong,Barry Mauk,Chris Paranicas,Pontus Brandt,Scott Bolton,Andrew F. Cheng,T. Choo,George Gloeckler,John Hayes,K. C. Hsieh,Wing-Huen Ip,S. E. Jaskulek,Edwin P. Keath,E. Kirsch,M. Kusterer,Andreas Lagg,Louis J. Lanzerotti,Louis J. Lanzerotti,D. LaVallee,J. W. Manweiler,R. W. McEntire,W. Rasmuss,Joachim Saur,F. S. Turner,D. J. Williams,Joachim Woch +32 more
TL;DR: ENA imaging has revealed a radiation belt that resides inward of the D ring and is probably the result of double charge exchange between the main radiation belt and the upper layers of Saturn's exosphere.
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Retrieval of the full magnetic vector with the He I multiplet at 1083 nm. Maps of an emerging flux region
TL;DR: In this paper, a technique is presented to invert Stokes profiles of the He I 1083 nm multiplet lines in order to obtain the full magnetic vector and the line-of-sight velocity.
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Magnetosheath plasma precipitation in the polar cusp and its control by the interplanetary magnetic field
Joachim Woch,Rickard Lundin +1 more
TL;DR: In this paper, magnetosheath particle precipitation in the polar cusp region is studied based on Viking hot plasma data obtained on meridional cusp crossings, where two distinctively different regions are commonly encountered on a typical pass, one region is characterized by high density particle precipitation, with an ion population characterized by a convecting Maxwellian distribution.