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A Small Mission Concept to the Sun-Earth Lagrangian L5 Point for Innovative Solar, Heliospheric and Space Weather ScienceWe present a concept for a small mission to the Sun-Earth Lagrangian L5 point for innovative solar, heliospheric and space weather science. The proposed INvestigation of Solar-Terrestrial Activity aNd Transients (INSTANT) mission is designed to identify how solar coronal magnetic fields drive eruptions, mass transport and particle acceleration that impact the Earth and the heliosphere. INSTANT is the first mission designed to (1) obtain measurements of coronal magnetic fields from space and (2) determine coronal mass ejection (CME) kinematics with unparalleled accuracy. Thanks to innovative instrumentation at a vantage point that provides the most suitable perspective view of the Sun-Earth system, INSTANT would uniquely track the whole chain of fundamental processes driving space weather at Earth. We present the science requirements, payload and mission profile that fulfill ambitious science objectives within small mission programmatic boundary conditions.
Document ID
Document Type
Reprint (Version printed in journal)
Lavraud, B.
(Toulouse Univ. France)
Liu, Y.
(National Space Science Center (NSSC), Chinese Academy of Sciences Beijing, China)
Segura, K.
(Toulouse Univ. France)
He, J.
(Peking Univ. Beijing, China)
Qin, G.
(National Space Science Center (NSSC), Chinese Academy of Sciences Beijing, China)
Temmer, M.
(Graz Univ. Austria)
Vial, J.-C.
(Centre National de la Recherche Scientifique Annecy-le-Vieux, France)
Xiong, M.
(National Space Science Center (NSSC), Chinese Academy of Sciences Beijing, China)
Davies, J. A.
(Rutherford Appleton Lab. Oxford, United Kingdom)
Rouillard, A. P.
(Toulouse Univ. France)
Gopalswamy, N.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
April 20, 2017
Publication Date
June 8, 2016
Publication Information
Publication: Journal of Atmospheric and Solar-Terrestrial Physics
Publisher: Elsevier
Volume: 146
ISSN: 1364-6826
Subject Category
Report/Patent Number
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