A1 Refereed original research article in a scientific journal

The Solar Orbiter magnetometer




AuthorsHorbury TS, O'Brien H, Blazquez IC, Bendyk M, Brown P, Hudson R, Evans V, Oddy TM, Carr CM, Beek TJ, Cupido E, Bhattacharya S, Dominguez JA, Matthews L, Myklebust VR, Whiteside B, Bale SD, Baumjohann W, Burgess D, Carbone V, Cargill P, Eastwood J, Erdos G, Fletcher L, Forsyth R, Giacalone J, Glassmeier KH, Goldstein ML, Hoeksema T, Lockwood M, Magnes W, Maksimovic M, Marsch E, Matthaeus WH, Murphy N, Nakariakov VM, Owen CJ, Owens M, Rodriguez-Pacheco J, Richter I, Riley P, Russell CT, Schwartz S, Vainio R, Velli M, Vennerstrom S, Walsh R, Wimmer-Schweingruber RF, Zank G, Muller D, Zouganelis I, Walsh AP

PublisherEDP SCIENCES S A

Publication year2020

JournalAstronomy and Astrophysics

Journal name in sourceASTRONOMY & ASTROPHYSICS

Journal acronymASTRON ASTROPHYS

Article numberARTN A9

Volume642

Number of pages11

ISSN0004-6361

eISSN1432-0746

DOIhttps://doi.org/10.1051/0004-6361/201937257(external)

Self-archived copy’s web addresshttps://research.utu.fi/converis/portal/detail/Publication/50709159(external)


Abstract
The magnetometer instrument on the Solar Orbiter mission is designed to measure the magnetic field local to the spacecraft continuously for the entire mission duration. The need to characterise not only the background magnetic field but also its variations on scales from far above to well below the proton gyroscale result in challenging requirements on stability, precision, and noise, as well as magnetic and operational limitations on both the spacecraft and other instruments. The challenging vibration and thermal environment has led to significant development of the mechanical sensor design. The overall instrument design, performance, data products, and operational strategy are described.

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