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A small mission concept to the Sun-Earth Lagrangian L5 point for innovative solar, heliospheric and space weather science

  • B. Lavraud*
  • , Y. Liu
  • , K. Segura
  • , J. He
  • , G. Qin
  • , M. Temmer
  • , J. C. Vial
  • , M. Xiong
  • , J. A. Davies
  • , A. P. Rouillard
  • , R. Pinto
  • , F. Auchère
  • , R. A. Harrison
  • , C. Eyles
  • , W. Gan
  • , P. Lamy
  • , L. Xia
  • , J. P. Eastwood
  • , L. Kong
  • , J. Wang
  • R. F. Wimmer-Schweingruber, S. Zhang, Q. Zong, J. Soucek, J. An, L. Prech, A. Zhang, P. Rochus, V. Bothmer, M. Janvier, M. Maksimovic, C. P. Escoubet, E. K.J. Kilpua, J. Tappin, R. Vainio, S. Poedts, M. W. Dunlop, N. Savani, N. Gopalswamy, S. D. Bale, G. Li, T. Howard, C. DeForest, D. Webb, N. Lugaz, S. A. Fuselier, K. Dalmasse, J. Tallineau, D. Vranken, J. G. Fernández
*Corresponding author for this work
  • Université de Toulouse
  • CNRS
  • CAS - National Space Science Center
  • Peking University
  • University of Graz
  • Institut d'Astrophysique Spatiale
  • Rutherford Appleton Laboratory
  • CAS - Purple Mountain Observatory
  • Laboratoire d'Astrophysique de Marseille
  • Shandong University
  • Imperial College London
  • Kiel University
  • Czech Academy of Sciences
  • Charles University
  • Centre Spatial de Liege
  • University of Göttingen
  • Observatoire de Paris
  • ESA/ESTEC
  • University of Helsinki
  • University of Turku
  • KU Leuven
  • Beihang University
  • University of Maryland, Baltimore County
  • NASA Goddard Space Flight Center
  • University of California at Berkeley
  • University of Alabama in Huntsville
  • Southwest Research Institute
  • Boston College
  • University of New Hampshire
  • National Center for Atmospheric Research
  • QinetiQ Space
  • GMV S.A.

Research output: Contribution to journalArticlepeer-review

Abstract

We 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.

Original languageEnglish
Pages (from-to)171-185
Number of pages15
JournalJournal of Atmospheric and Solar-Terrestrial Physics
Volume146
DOIs
StatePublished - 1 Aug 2016
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 15 - Life on Land
    SDG 15 Life on Land

Keywords

  • Coronal mass ejections
  • Instrumentation
  • Space mission
  • Space weather

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