Junomission:somequestionspeopleareinterestedin
CompiledbyParanicasandZarka
March2016
Generaldiscussionofgroup
Isthereenergeticparticleprecipitationof100sofkeV(Areatmosphericmodels
reliable)?ArethereMeVpotentialdrops?
Willweseesecularvariationsofthemagneticfield?
Willweseeapolarcapwithopenfieldlines?WhyisthereUVemissioneverywhere
athighlatitudes?
IsthekinkoftheovalalongitudeorLTeffect?
AreSaturn’sPPOcomparabletosystemIV?
Ergun
Whereis/arethedownwardcurrentregion(s)?
HowdifferentareaccelerationprocessesintheIospotsandinthewake?
Whatisthealtitudeoftheaccelerationregionaboveaurora?Satellitefootprints?
ArethereDouble-Layers,Electron/Ionholesinauroralregions?Howarethey
relatedtoUp/Down/Alfvénregions?Howinterleaved?
Zarka
Heatingvsaccelerationforproducingenergeticplasma?
WillJUNOmeasurementspermitustoaddressCyclotronMasermicrophysicsin
unexploredregimes(100skeV)?
DoesGanymedeinteractwithJupiter’sBfieldviareconnectionofAlfvénwaves?
Badman
Howdopolarspotsevolve?
Howdoesenergyofprecipitatingparticlesvary?
Howdolowlatitudeemissionsevolve?
Whatistheglobalpicture?
Whatistheroleofthesolarwind?
HowdoweidentifyIovolcanicactivityandoverwhattimescalesdoesitaffect
magnetosphere?
Bunce
AretherePPOsatJupiter?Observable?
Allegrini
Whatistheactualverticalstructureoftheaccelerationregion?
Bonfond
Whatisthesizeofthepolarcap?
Howcantherebeemissiononfieldlinesthatshouldconnecttothesw(don’tsee
thisatotherplanets)?
Quasi-periodicflares:howcandistantregionscommunicate?Ionospheremodulated?
Flaresareinphase?
Whyaretheprecipitatingelectronssoenergetic?
Localinjectionsandrelationshiptoauroralsignatures
Mauk
X-rayauroraisuniqueonJupiter,how/why?
Howisthemagnetodiscmaintained,howarefield-alignedfluxesmaintained?
Whataretheenergiesinvolvedintheaurora;aretheyreallyanorderofmagnitude
greaterthanEarth?Arethereanaloguesbetweenthe2planetsorarethey
completelydifferent?
Paranicas
Howdoweincorporatethefield-linebend-backintostabilitymodelsofthedisc?
Doesitmakeadifference?
ExpecttovastlyimproveourknowledgeoftheflowvectorsatJupiter.Canwefigure
outhowtomapthemtotheauroralregion?
HowimportantareinjectionsatJupiterandwhataretheirtypicalscalesizes--some
havebeenlinkedtotheaurora(e.g.,Radioti,Mauk,others).
Whatisthenatureofbeamsinthemagnetosphere(workbyMaukandothers)?
Wheredotheyoriginate?Whyaretheparticlesveryfield-alignedfarfromthe
planetandmorepancakeclosertotheplanet(sameatSaturn,Lindaugroup,
Carbary,Clark).Doesthismeanthatthereisanimportantsourceofenergetic
particlesatveryhighlatitude?
Isthereanyevidenceforheavymassloading(additionofplasmaorneutralstothe
magnetosphere)fromEuropa(e.g.,viaatmosphericescape)?UVwake?Radio
emission?
Canwemodeltheplanetaryringcurrentmoreaccurately(energyandradialrange,
etc.)?
Nichols
Whatisthesourceofthevariousauroras?
Wheredothedarkregionsandvariousaurorasmap?
Whereisthepolarcap;isthereone?
Whatliesbehindswmodulationofthemainoval?
HowdoestheauroralaccelerationprocessworkatJupiter?
Howdoesf-acurrentdensityrelatetoauroralintensity?
Howdoestheauroralelectronenergyrelatetocolorratio?
DoaurorasrevealtheenergyandmasstransferinJupiter’smagnetosphere?
Whatistheverticalenergydepositionprofile?
Howarethex-ray/UV/vis/IR/radioemissionsrelated?Why?
Whyisthenorthauroraldifferentfromthesouth?
Areauroraskeytosolvingtheenergycrisis?
Bagenal(fromher2014SSRpaperwithsomeedits/additions)
Whatisthehighlatitudestructureofthemagnetosphere?
Istherereconnection(athigh-latitude?)vssmall-scaleKHI?
Whereandhowareparticlesthatexcitetheauroraaccelerated?
Whereandhowistheauroralradioemissiongenerated?
Whatcausesthetransientpolaraurora?
Howmuchoftheplanetaryfieldconnectstothesw;howdoesthisoccur?
Whatisthesizeandvariabilityofthepolarcap?
Howisthemainaurorarelatedtomagnetosphericdynamicsand/orchangesinthe
sw(FRS/FFS)?
Whatmechanismsaccelerateparticlestoradiationbeltenergies(injections,w-p,
etc.)?
Whatprocessescontrolthestructureanddynamicsoftheradiationbelts?
Howisthemagnetospherecoupledtothesw?Whatarethemechanismsand
quantitiesofmassandmomentumtransferthroughthemagnetopause?
Whatistheroleofcouplingoftheswtothemagnetosphereindynamics?Howdeep
doestheinfluencepenetrateoristheinteractionconfinedtoaboundarylayer?
HowdothepolarregionsrelatetothelongmagnetotailobservedbyVoyager2and
NH?