Hinode Science Working Group - NASA · Hinode’s Extreme ultraviolet Imaging Spectrometer (EIS)...

NASAMissionManagementUpdatestotheHinode ScienceWorkingGroup

September2016

OnbehalfoftheUSinstrumentteams

https://ntrs.nasa.gov/search.jsp?R=20160014900 2018-11-12T20:41:33+00:00Z

FocusedModeCoordination

§ Status:Operable§ Nomajorissuesreportedfromtheteams.§ PlansforQSconditionsnotcompletelyresolved

§ ReminderforFocusedModeHOPssenttocommunityviaSolarNews.§ (releasedSept1,2016)

§ FocusedModecoordination§ FocusedModeLiaisonnotusedsincelastSWG

§ Relyingonweeklyinstrumentteammeetingsforcommunication

§ Prioritylistcirculatingwithweeklymeetings§ ActiveRegionevolution(fluxemergence,wavesinsunspots,flaremonitoring)§ CoronalHoles§ Prominence/Filament§ Disk-center(longbaselinesynopticscans)§ Polarmagneticnetwork

FocusedModeCoordination

§ FlareWatchDog§ Yumi Bamba-sanhasbeenfillingthispositionverywell.Hasnowgraduated,but

stillworkingwiththemission.§ Talkon

§ Suggestionsforsuccessorforuptickinactivity…eventually?Continuewithagraduatestudent?

*Shimizu,SWG2014

FocusedModeCalendar

FocusedModeCalendar

November23rd isThanksgivingweek(lessUSsupportalready).FMduringDec/Janholidays.

PROPOSED PROPOSED PROPOSED PROPOSED PROPOSED PROPOSED

***Hi-CIIlaunchinJuly?***;Otherlaunches/campaigns?

HOPs

LeadHOPinformationsite:http://www.isas.jaxa.jp/home/solar/guidance/index.html

NASAHOPinformationsite:http://hinode.msfc.nasa.gov/hops.html

SubmissionForm:https://docs.google.com/forms/d/1mvUqVsIlEZ0ta4hbzkVqKKv_kW8x6IHI584IkvaOzX8/viewform

HOPs

SSCplanningsite:http://hinode.msfc.nasa.gov/submitted_hops.html

HOPs

Currentreport(asofSept.2,2016):

91HOPsreporting(~28%forHOPs72-325&2<71)251*TotalProductivityOutputs123RefereedPublications20Non-refereedPublications[e.g.,Conf.Proceedings]46EPOActivities62OtherOutputs[e.g.,Talks,Posters]

TotalProductsPerYear

TotalProductsPerHOP

Non-Refereed

EPO

Other

Refereed

*Totalslightlybelowlastyear’sreportduetoduplicatedN-rpubs&EPOsubmissionsdiscovered.Havenotsentoutacallyetthisyear.

HOPs

A.Kobelski puttogetheratablecharacterizingthetargetstudyandcoordinationforeachHOP(from71).

HOPs

IcombinethestudytablewiththeproductoutputinformationforeachHOP(notjustrefereedpapers!).IncompleteduetonothavinginformationforeachHOP(e.g.,eclipses,SRs)andneedssomecloserinspectionperHOP,butit’sadecentfirstorderproxyforassessingwhatHinodehasbeenmostsuccessfulatobservingthusfar.Showstherichnessofthecampaigns.

HOPCoordinations

Hinoderegularlycoordinateswithbothground- andspace-basedobservatoriesandcomplementsseveralregularlyscheduleddata-collectingobservatories(*).Hinodealsoco-observeswithsoundingrocketandballoontechnologydevelopmentdemonstrations.MuchofthecoordinationisscheduledthroughtheHinodeOperationsPlan(HOP)program.Since2008,partneringsitesandinstrumentationinclude(butnotlimitedto):

Space-based:

ActiveCavityRadiometerIrradianceMonitorSatellite(ACRIM)*AdvancedCompositionExplorer(ACE)Akatsuki (Venusprobe)Cassini(Saturnmission)HubbleSpaceTelescope(HST)[WFPC3]InterfaceRegionImagingSpectrograph(IRIS)MercurySurface,SpaceEnvironment,Geochemistry,andRanging(Mercurymission)NuclearSpectroscopicTelescopeArray(NuSTAR)ProjectforOnBoard Autonomy2(PROBA2)[SWAP]*Ramaty HighEnergySolarSpectroscopicImager(RHESSI)SolarandHeliosphericObservatory(SOHO)[SUMER/EIT/CDS/UVCS/MDI/LASCO]*SolarDynamicsObservatory(SDO)[AIA/EVE/HMI/MinXSS]SolarRadiationandClimateExperiment(SORCE)[TIM]*SolarTerrestrialRelationsObservatory(STEREO)[EUVI]TelescopesforEUVSpectralImagingoftheSun(TESIS)[CORONAS]TimeHistoryofEventsandMacroscale InteractionsduringSubstorms(THEMIS)TransientRegionandCoronalExplorer(TRACE)*Wind:ComprehensiveSolarWindLaboratoryforLong-TermSolarWindMeasurements

Ground-based:

AtacamaLargeMillimeter/Submillimeter Array(ALMA)– ChileBialkow Observatory– PolandBigBearSolarObservatory(BBSO)[NST/FISS/IRIM]– NewJerseyDunnSolarTelescope(DST/NSO)[IBIS/ROSA/SHAZAM/FIRS]– NewMexicoDutchOpenTelescope(DOT)– LaPalmaFuxian LakeSolarObservatory[NVST]– ChinaGREGORSolarTelescope[GRIS]– TenerifeHaleakalaObservatory– HawaiiHida Observatory[DST]– JapanIitate RadioTelescope(IPRT)– TohokuUniversity/JapanKanzelhohe SolarObservatory(KSO)– AustriaLomnicky PeakObservatory[CoMP]– CzechRepublicMaunaLoaSolarObservatory(MLSO)[CoMP]– HawaiiMcMath-PierceTelescope(NSO)– NewMexicoMeudon SolarTower– ParisOndrejov Observatory– CzechRepublicPicduMidiObservatory– FranceSolarMagneticActivityResearchTelescope(SMART)– JapanSolarTerrestrialLaboratory[IPS]– NagoyaUniversity/JapanSolarTowerTelescopeofNanjingUniversity– ChinaSwedishSolarTelescope(SST)[CRISP/TRIPPEL]– LaPalmaSynopticOpticalLong-termInvestigationsoftheSun(SOLIS/NSO)– NewMexicoVacuumTowerTelescope(VTT)– TenerifeVeryLargeArray(VLA)

(Note:SeveralHighSchoolsandScienceMuseumsinJapan)

TechnologyDemonstrations:

SUMIRAISESUNRISE(Balloon)EUNIS

HIC(1,2)FOXSIVERISMOSES(1&2)

VAULTCLASP

52TotalObservatories/Rockets/Balloons;atleast69instrumentcoordinations

NASAsituation

SeniorReviewUpcoming(earlythisyeartolineupwithNASAbudgetreviews)

AnnouncementofOpportunityexpectedwithinthenextmonthPresentationtoPanel~March2017Results~May2017

Needto:

ScheduleUSteammeetingatHinode10.SetPrioritizedScienceGoalsforthenextfewyears.DeterminesufficiencyofresponsetopreviousPSGs.Pulltogetherimpactfulcoordinatedobservations(IRIS,NuSTAR,ALMA).SendoutcallforHOPoutputs.

2-3.HinodeScientificActivities

• OnOctober9,2014acoronalcavitywasobservedbyHinodeandIRISaspartofIHOP264

• ThecavitystructureisclearlyintheEISFeXII,andFeXIIIrasterscans,buthecavitywallisnotvisibleintheEISFeXVline,indicatingthatthecavitydefiningstructuresarelessthan~2MK.

• ThecavityisalsovisibleintheXRTThin-Befilter,thoughforegroundandbackgroundloopsarealsovisible.

Jibben,Reeves,&Su,FrontiersinAstronomyandSpaceSciences,submitted

AIA193XRTThin-Be

EIS

ViatheHinode/XRTteamthroughtheSmithsonianAstrophysicalObservatory

HinodeHighlights:CoronalCavityStructure


IRISmoviefromtheslit-jawimagershowsadisturbancethatcausesplasmatoflowoverandaroundtheprominence,outliningthecavitystructure

AcombinationXRT/SOTmovieshowsthatanincursionofhotplasmafromthenorthisresponsibleforthedisturbance.XRTdataalsoindicatesheatingaroundthetipoftheprominence

IRIS1400SJI

XRT(orange)SOT(grey)




• IRISobservationsshowareasofdecreasedSiIVemissionalongtheneutralline,indicatingthepresenceofa“baldpatch”magneticconfiguration,wherefieldshaveaconcave-upshapeneartheSun’ssurface.


• Modelingshowsthataweaklytwistedmagneticfluxropeisconsistentwiththeobservationsforthiscavity,includingtheexistenceofa“bald patch”attheneutralline.


• WhatdeterminestheboundarybetweenUmbraandPenumbra?• Intensity?Flowfield?MagneticField?

• Priorto2011,103yearsafterHale’s discoveryofsunspotmagneticfields,nomagneticpropertyfortheboundarywasfound.

• Jurcak (A&A2011):“Theverticalcomponentofthemagneticfield[attheboundary]ispossiblyindependentoftheumbral area.”

• Alargersurveyin2015hasconfirmedthisandfoundacanonicalvalueforBver attheboundary.

• ForBver >1860Gauss,theefficiencyofconvectionissuppressedanddarkumbraresults,withintermittentconvectiveumbral dots.

• ForBver <1860Gauss,theuniquemodeofpenumbralmagneto-convectiontakesover:penumbralfilamentswiththesamebrightnessandflowstructureregardlessofspotsize.

Whydidittake100yearstofindthis?• Measuredmagneticfieldsdependon

instrumentalcharacteristics,especiallyseeingandstraylight.

• HinodeSpectro-Polarimetermeasuresallsunspotsinanidenticalwaywithuniformpointspreadfunctionandpointingstability.

SOTCNBandhead 3883Å

ContributedbytheHinode/SOTteamthroughtheLockheedMartinSolarAstrophysicalLaboratory

HinodeHighlights:SunspotMagneticFields100YearsLater

ThecanonicalvalueofBver isconfirmedforspotsofallshapesandsizes,aslongastheyhavestablepenumbra.

SunspotsfromtheHinodeSPLevel-2archive,showingthe1860GausscontourinBver(Schlichenmaier,2015)




a)Temperature;b)MagneticFieldStrength;c)Magneticinclinationanglefromvertical;d)Dopplervelocity;allattau=1inthephotosphere.

ModernComputationalPowerAppliedtoSpectro-PolarimeterData• Aclevernewtechniquesolvesa

massivespatially-coupledoptimizationproblemtomakebestestimatesfortheatmosphericparameters(B,V,T,etc.)ateachpoint,correctingfortheblurringbydiffraction.Themapsshowsmall-scalestructuressharperthanintheoriginaldata(vanNoort,A&A2013).

• RecentapplicationbyTiwari etal(A&A2015)notonlyderivesthesharpestmapsevermadeofsunspotpropertiesbutalsomeasuresthedepthdependenceoftemperature,velocity,andmagneticfieldstrength,inclinationandtwist.


Chromospheric EvaporationFlowsandDensityChangesDeducedfromHinode/EISDuringanM1.6Flare

Gomory,Veronig,Su,Temmer,Thalmann,A&A,A6,2016

• ObservationsofanM1.6flarewithHinode/EIS,SDO/AIA,andRHESSI

• EISDopplershiftsandelectrondensitiesarecomparedwiththeenergyfluxmeasuredwithRHESSI

• Spectroscopicresultssupportexplosivechromosphericevaporationandshowthedependenceoftheupflow velocityonthesteepnessoftheenergydistribution

ContributedbytheHinode/EISteamthroughtheNavalResearchLaboratory

HinodeHighlights:ChromosphericEvaporationDuringFlares

HinodeHighlights:ChromosphericEvaporationDuringFlares

SimultaneousIrisandHinode/EISObservationsandModelingOfThe2014October27X2.0ClassFlare

Polito,Reep,Simones,Dudik,DelZanna,Mason,andGolub,ApJ,816,2016

• ObservationsofanX2flarewithHinode/EIS+XRT,IRIS,SDO/AIA,andRHESSI

• HightemperaturelineprofilesinEISgenerallyshowbothabluewingandstationarycomponentbutarecompletelyblueshiftedinIRIS,suggestingthatevaporationisresolvedwithIRIS.

• Hydrodynamicsimulationssupportanelectronbeamheatingmodel.

IRIS

EIS

ContributedbytheHinode/EISteamthroughtheNavalResearchLaboratory

Hinode’sSolarOpticalTelescope(SOT)capturesimagesofmagneticallydrivenstructuresonthesolarsurfacewithitshigh-resolutionSpectro-Polarimeter(SP),whichusesaslittodisperselight.SOT/SPimagesarecreatedbyeitherscanningaregionwithaslit(rasteringmode)orbyallowingaregiontodriftpasttheslitastheSunrotates(sitandstaremode).

ByscanningtheslitacrossaregionwhereMercurywasexpectedtotraverse,SOTcapturedthisbeautifulimageoftheplanetinfrontofsolargranules(roughlythesizeofTexas)ontheSun’ssurface.Ittookover10minutestoscanthefullfieldofviewwith512verticalslits.BecauseMercurymovedwhileitwasbeingscanning,theplanetappearselliptical.

Imagecredit:JAXA/NASA/LockheedMartinSolarandAstrophysicsLaboratory(LMSAL)

TransitofMercury– May9,2016

Hinode/SOT

Forthisstunningimage,theslitwasheldinafixedpositionwhileMercuryandtheSundriftedbyoveraperiodof3.4minutes.Theimageconsistsof828verticalstrips,eachone~110kilometerswide,thatarestitchedtogether.Thebackgroundshowshowthesolargranulesinthepreviousimagechangewithtimeasconvectioncausesmaterialtoflowupanddownduringtheheatingandcoolingprocess.

Imagecredit:JAXA/NASA/LMSAL

TransitofMercury – May9,2016

Hinode/SOT

Hinode’sExtremeultravioletImagingSpectrometer(EIS)alsocreatesimagesbyrasteringwithaslit,butitisoptimizedtoobservethehottertemperaturesolarmaterialintheSun’satmosphere.ThisimagefromEISshowsMercuryasitapproachestheEastlimboftheSun.ThebackgroundsolarimageiscenteredontheFeXIIline(195Å)andshowsmaterialthatisover1milliondegreesKelvin.

Imagecredit:JAXA/NASA/UKSA/NavalResearchLaboratory(NRL)


Hinode’sthirdandfinalinstrument,theX-RayTelescope(XRT),iscapableoftakingfull-SunimagesofthehotsolaratmosphereinsoftX-rays.

Imagecredit:JAXA/NASA/SmithsonianAstrophysicalObservatory(SAO)


Mercury

Hinode/XRT

UsingitsAl-polyfilter,whichcapturesthelightfromcoronalmaterialatmillionsofdegrees,XRTtrackedMercuryfromlimbtolimb. TheslightapparentwobbleofMercury’spathinfrontoftheSunisanopticaleffectcalledparallaxcausedbyHinode’sorbitaroundtheEarthfrompoletopole.

Moviecredit:JAXA/NASA/SAO/MontanaStateUniversity

TransitofMercury– May9,2016

OnOctober27,2014,anX2flarewasobservedwithSDO,IRISandHinode.IRISwasrolledby90degrees,sotheIRISandEISfieldsofviewoverlapped.

Polito etal.ApJ,2016

IRIS1330A


HinodeHighlights:X2flareonOctober27,2014

Evidenceforchromospheric evaporation:theEISFeXXIIIlineshowsblueshifts of~200km/s.TheIRISFeXXIlineshowscompleteblueshifts (indicatingflowsareresolved),thatdecreasewithtime.

Polito etal.ApJ,2016EISFeXXIII




• TemperaturesfromAIAandXRTshowthathotemission(log(T[K])>7.2)isfirstconcentratedatthefootpoints beforefillingtheloops.

• Density-sensitivelinesfromIRISandEISgiveestimatesofelectronnumberdensityof≳1012 cm-3 inthetransitionregionlinesand1010cm-3 inthecoronallinesduringtheimpulsivephase.

Polito etal.ApJ,2016

• Modelingindicatesthisdataisconsistentwithanelectronbeamheatingmodelratherthanthermalconduction– keytodistinguishingbetweenflareheatingsources


HinodeHighlights:WhatisSOTdoingnow?

SincetheFiltergraph camerafailedinFebruary,2016,theSolarOpticalTelescope’sscienceinstrumentisnowtheSpectro-Polarimeter (SP),whichisworkingnominally.Theseslidesshowwhatdataitcollects,bothongoingobservationsforalmost10yearsandnewmodesenabledbyadditionaltelemetryandIRIScoordination.

SPisapolarization-sensitiveslitspectrometer.Itsspectraareprocessedtomakelineprofilesintwophotospheric FeIlinesandStokesimages.StokesQUVshowthepresenceofmagneticfieldsintheatmosphere.

Inversionofthelineprofilesmakesmapsofmagneticfieldvectors,Dopplershiftsandotheratmosphericthermalparameters.

RawSpectra(madeonboard)

CalibratedLineProfilesatasinglepixel

Imagesinthefourpolarizationstates,theStokesParametersIQUV

AR12529,4/14/201612:45UT

I V

Q U

I:ContinuumIntensity V:LOSMagneticField

Q:TransverseField,+/-45◦ U:TransverseField,0or90◦

I V

Q U



MoretelemetryisavailablenowforSPandforXRTandEIS.Asaresult,SPcantakemorefull-resolutionspectra(0.16,not0.32arcsecond pixels). FewfullresolutionmapsortimeserieshavebeenmadesincetheX-bandfailure

in2008,becausethetelemetryneededis4xgreater.

Thesefull-resolutionSPimagesshowthemixedpolarityregionoutsideofasunspotwiththehighestresolutionandsensitivityavailablefromanyobservatory.ThebottomtwoimagesarederivedbyinversionoftheStokes

spectra;thescatterednoisypixelsarelocationsofveryweakmagneticfieldwheretheinversionfailedtoconverge.

AR12529,4/15/201618:21UT

ContinuumIntensity LOSMagneticField

MagneticFieldStrength MagneticInclinationAngle

Hinode/SOT



ManyIRIS&Hinode sciencegoalsrequiresensitivemagneticfieldmeasurementswithhighcadence,coveringtheIRISslit.NewSPobservingprogramsmake

repeatedtall,skinnymapswith0.5– 20minutecadence.Withcarefulplanning,theIRISandSPrasterareasoverlapto~2arcsecond accuracyinthenarrowdimension.

SimultaneousSP magnetogramsandIRISMgIIspectrographimagesofJune13.Thereisaverticaloffset

butalignmentinthenarrowhorizontaldimensionisgood.

Bothmoviesonthisslidehave9x42arcsecond FOV.

SPmoviesfromaHOP313observationonJune13,2016.

Thisgoalistosearchforchromosphericmanifestationsofsuper-sonicdownflows

seeninthephotosphere.

FullresolutionSPmoviesfromanIRIS&SOTstudyofexplosiveeventsinthemixedpolarity

outsideofthesunspotonApril2,2016.

I VelBlos Btv

I VelBlos Btv


Date post:	12-Nov-2018
Category:	Documents
Upload:	tranmien
View:	220 times
Download:	0 times

Hinode Science Working Group - NASA · Hinode’s Extreme ultraviolet Imaging Spectrometer (EIS)...

Documents