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Solar orbiter, a high-resolution mission to the sun and inner heliosphere |
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| Authors: | E. Marsch E. Antonucci P. Bochsler J. -L. Bougeret B. Fleck R. Harrison Y. Langevin R. Marsden O. Pace R. Schwenn J. -C. Vial |
| Affiliation: | a Max-Planck-Institut für Aeronomie, D-37191, Katlenburg-Lindau, Germany b Instituto di Fisica, Univ. di Torino, Via P. Giuria 110125, Torino, Italy c Physikalisches Institut, Universität Bern, Sidlerstrasse 5, CH-3012, Bern, Switzerland d LESIA, Observatoire de Paris, Place Jules Janssen, F-92195, Meudon Principal Cedex, France e ESA Research and Space Science Department, NASA/GSFC Mailcode 682.3, Greenbelt, MD 20771, USA f Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 0QX, UK g Institut d'Astrophysique Spatiale, Université Paris XI, Bâtiment 121, F-91405, Orsay, France h ESA/ESTEC, P.O. Box 299, 2200 AG, Noordwijk, The Netherlands |
| Abstract: | The scientific rationale of the Solar Orbiter is to provide, at high spatial (35 km pixel size) and temporal resolution, observations of the solar atmosphere and unexplored inner heliosphere. Novel observations will be made in the almost heliosynchronous segments of the orbits at heliocentric distances near 45 R and out of the ecliptic plane at the highest heliographic latitudes of 30° – 38°. The Solar Orbiter will achieve its wide-ranging aims with a suite of sophisticated instruments through an innovative design of the orbit. The first near-Sun interplanetary measurements together with concurrent remote observations of the Sun will permit us to determine and understand, through correlative studies, the characteristics of the solar wind and energetic particles in close linkage with the plasma and radiation conditions in their source regions on the Sun. Over extended periods the Solar Orbiter will deliver the first images of the polar regions and the side of the Sun invisible from the Earth. |
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