WFIRST KDP-A/APMC Science Overview · PDF fileWFIRST KDP-A/APMC Science Overview Neil...

WFIRSTKDP-A/APMCScienceOverview

NeilGehrels/GSFCProjectScien@st

1January26,2016

1990

LRD: 2020s

1999

2003

LRD: 2018

2January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil

3January26,2016

Introduc@on

Ø WFIRSThighestrankedlargespacemissionin2010DecadalSurvey§  StudyDarkEnergy,ExoplanetCensus,NIRSkySurvey

Ø Useof2.4mtelescopeenables§  Hubblequalityimagingover100xmoresky§  Imagingofexoplanetswith10-9contrastwithacoronagraph

WFIRSTKDP-ASMDProgramManagementCouncil

DarkEnergy Exoplanets

Microlensing Coronagraph

Astrophysics

M63

HST WFIRST

WFIRSTHSTUltraDeepField

January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil 4

5January26,2016

PremierDarkEnergyObservatory

Ø  WFIRSTcombinesalltechniquestodeterminethenatureofDarkEnergy.

Ø  Onlyobservatorydoingsuchcomprehensiveobserva@ons.

Ø  Highprecisionmeasurementswillbeop@mallycombinedforthebestmeasurement.


6January26,2016

PremierDarkEnergyObservatory

Ø WFIRSTwillbethefirstmissiontofullyexploitthepowerfulIRbandfordarkenergymeasurements.

Ø  Itwillbemuchmoresensi@veandhavehigherangularresolu@onthananyotherdarkenergyinstrument.


WFIRST

Hα

OIII

Euclid

IROpCcal

redshi\(distance)

BAODen

sityParameter

CompletetheCensusofExoplanets-Microlensing

7

Kepler WFIRST

January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil

8

CompletetheCensusofExoplanets-Microlensing


Kepler WFIRST

•  2600planetdetec@ons.

•  370withEarthmassandbelow.

•  Hundredsoffree-floaCngplanets.

WFIRSTperfectlycomplements

Kepler,TESS,andPLATO.

9January26,2016

PioneeringHighContrastExoplanetCoronagraph

Ø Imagingathighcontrastprovidesfordirectdetec@onandspectroscopy(characteriza@on)ofexoplanets


30 zodi disk

Planet c

Planet b

Inner working angle innerworkingangleplanetA

planetBdustdisk

Concept WFIRSTSimulaCon

10

WFIRSTBringsHumanityClosertoCharacterizingexo-Earths

Ø WFIRSTadvancesmanyofthekeyelementsneededforacoronagraphtoimageanexo-Earth§  Coronagraph§  Wavefrontsensing&control

§  Detectors§  Algorithms

WFIRSTKDP-ASMDProgramManagementCouncilJanuary26,2016

WFIRST

DecadalSurveySciencewithGO/GIprogram

11

WFIRSTwilladdresstopNWNHgoals#1Large-ScalePriority-DarkEnergy,Exoplanets#1Medium-ScalePriority-NewWorldsTech.Development

5DiscoveryScienceAreasID&CharacterizeNearbyHabitableExoplanetsTime-DomainAstronomyAstrometryEpochofReioniza@onGravita@onalWaveAstrometry

WFIRSTGuestObserverprogramwillcoversmanyotherNWNHgoals

✔✔

✔✔

20KeyScienceQues@onsOrigins(7/7keyareas)UnderstandingtheCosmicOrder(6/10keyareas)Fron@ersofKnowledge(3/4keyareas)


12January26,2016

FindingtheMostDistantGalaxies

Ø  WFIRST’sHigh-La@tudeSurveywillyieldupto2ordersofmagnitudemorehighredshi\galaxiesthancurrentlyknown.

Ø  WFIRSTwillfindinteres@ngdistantgalaxiesforJWSTandfuturenarrow-fieldtelescopestoobserve.


WFIRSTcomplementsJWST

13

WIDE!

DEEP!

WFIRST

JWST


WFIRSTScienceObjec@ves


Ø  Wide-FieldInfraredSurvey§  CapableofproducingNIRskyimagesinmul@ple-bandsandspectra

overthousandsofsquaredegreeswithJ=27AB5-sigmapoint-sourceimagingsensi@vityandFline=10-16ergcm-2s-17-sigmalinesensi@vity.

Ø  ExpansionHistoryoftheUniverse(DarkEnergy)§  DeterminetheexpansionhistoryoftheUniverseinordertotestthe

possibleexplana@onsofitsapparentaccelera@ngexpansionincludingDarkEnergyandmodifica@ontoEinstein’sgravityusingthesupernova,weaklensing,andbaryonacous@coscilla@onstechniques,providingincombina@onasub-percentprecisionovertheredshi\rangez=0.2to2withhigh-precisioncross-checksacrossthefullredshi\range.

Ø  GrowthofStructureintheUniverse(DarkEnergy)§  Determinethegrowthhistoryofthelargeststructuresinthe

Universeinordertotestthepossibleexplana@onsofitsapparentaccelera@ngexpansionincludingDarkEnergyandmodifica@ontoEinstein’sgravityusingweaklensing,redshi\spacedistor@ons,andclusteringsurveystoproduceacombinedsub-percentprecisionovertheredshi\rangez=0to2withhigh-precisioncross-checksacrossthefullredshi\range.

Ø  ExoplanetCensus(Microlensing)§  Completethesta@s@calcensusofplanetarysystemsintheGalaxy,

fromtheouterhabitablezonetofreefloa@ngplanetsusingthemicrolensingtechnique.

Ø  ExoplanetDirectImaging(Coronagraphy)§  Directlyimagegiantplanetsanddebrisdisksfromnearthe(TBR)

habitablezonestobeyondtheicelinesandcharacterizetheirphysicalproper@esusingthecoronagraphytechnique.

Ø  GuestObserverProgram§  Providearobustguestobserverprogramu@lizingaminimumof25%

oftheobserving@meoverthe6yearbaselinemission.

DesignReferenceMissionObservingProgram

Ø  TheWFIRSTDesignReferenceMission(DRM)consistsofafive-partobservingprograminsupportoftheWFIRSTScienceObjec@ves:

Ø  DarkEnergyScience/InfraredSurvey§  HighLaCtudeSurvey(HLS):Imagingandspectroscopicnearinfraredsky

surveyforBaryonAcous@cOscilla@ons/Redshi\SpaceDistor@ons&WeakLensing,andenablesavarietyofotherinfraredsciencebyguestinves@gators

§  Supernova(SN)Survey:Mul@plevisitstoSNfieldsathigheclip@cla@tudestodiscoverandtrackSNlightcurves

Ø  ExoplanetScience§  MicrolensingSurvey:Mul@plevisitstomicrolensingfieldsnearGalac@cbulge

tomonitorplanetarymicrolensingevents§  CoronagraphSurvey:Observenearbystarstofindandcharacterizeboth

previouslyknownandnewplanetsØ  GuestObserver

§  GOProgram:Allocated@meforproposerstoobservetargetsanywherewithinthefieldofregard

•  GOprogramu@lizesexis@ngWFIRSTcapabili@esanddoesnotdrivesystemreqs•  TheGOprogrambydefini@oncannotbe“allocated”atthisstageintheproject.


WFIRSTPayloadEnablesTopNWNHPriori@es

Ø 2.4mTelescope§  Exquisitepointspreadfunc@onenhancingsciencebeyondthatenvisionedbyNWNH

Ø WideFieldInstrument§  Providesnearinfraredwidefieldimagingandspectroscopyinsupportofthedarkenergyandexoplanetcensusobjec@ves

§  Providesintegralfieldspectroscopyinsupportofthedarkenergyobjec@ves.

Ø CoronagraphInstrument§  Provideshighcontrastimagingandintegralfieldspectroscopyinsupportofexoplanetanddebrisdiskdirectimagingobjec@ves.


WFIRSTInstruments

WideFieldInstrument•  Imaging&spectroscopyover1000sofsq.deg.•  MonitoringofSNandmicrolensingfields•  Nearinfraredbandpass•  Fieldofview100xHSTandJWST•  18H4RGdetectors(288Mpixels)

Coronagraph•  Imageandspectraofexoplanetsfrom

super-Earthstogiants•  Imagesofdebrisdisks•  Visiblebandpass•  Contrastof10-9orbeoer•  Exoplanetimagesfrom0.1to1.0arcsecJanuary26,2016 WFIRSTKDP-ASMDProgramManagementCouncil 17

Dra\MissionSuccessCriteria

MissionSuccessCriteria ScienceSurveys

Measurethehistoryofcosmicexpansionforredshi\s0.2-2(TBR),bytwoormoremethodsandwithaggregateprecisionandsystema@cuncertaintybelow1%.

HighLa@tudeSurvey(BAO/RSDandWL),SupernovaSurvey

Measurethehistoryofthegrowthofstructureforredshi\s<2,byoneormoremethodsandwithaggregateprecisionandsystema@cuncertaintybelow1%.

HighLa@tudeSurvey(BAO/RSDandWL)

Determinethesta@s@calpopula@onofplanetswiththemassofEarthandaboveinthecold,outerregionsofplanetarysystemstotesttheoriesofplanetaryforma@onandevolu@on,usingmicrolensingobserva@onsofstarswith1%photometricprecisionatadepthofJ=20covering2squaredegrees.

MicrolensingSurvey

Provideaminimumof15%ofaggregatedWFIRSTopera@onallife@metoexecu@onofapeer-reviewedGuestObserver(GO)program.

GuaranteedGO@me


Dra\BaselineScienceRequirements-Level1s(1/3)

BaselineScienceRequirement ScienceSurvey

Instrument

WFIRSTWFIshallmeasureposi@onsandredshi\sofemission-linegalaxiesforredshi\rangez=1–2withaposi@onaccuracyofTBDandaredshi\accuracyof1partin1000andaminimumdetectablepoint-sourcelinefluxof0.5x10-16ergs/cm2/sat7σsignificanceinthehigh-la@tudespectroscopicsurvey.

HighLa@tudeSurvey(BAO/RSD)

WideFieldImagerandGrism

WFIRSTWFIshallmeasureshapesofgalaxiesatz=0-2inatleast2bands,andfluxesinatleast4bandsforphotometricredshi\satadepthequivalenttoa5-sigmapointsourcedetec@onatABmagnitudeJ<26.9orH<26.7,withphotometricaccuracyofTBDandwithrmsuncertain@es(intheshapemeasurementfiltersonly)below10-3inthePSFsecondmomentandbelow5x10-4inthePSFellip@city,inthehigh-la@tudeimagingsurvey.

HighLa@tudeSurvey(WL)

WideFieldImagerandIntegralFieldUnit




Instrument

WFIRSTWFIshallmeasurethespectra,lightcurves,fluxes,andredshi\sofTypeIasupernovaewith5daycadenceoveraredshi\rangeofz=0.2to1.7withrmsmeasurementerrorsof≤0.08magpersupernovafromIFUspectrophotometryinsynthe@cbandpassesandsystema@ccalibra@onuncertain@esof≤0.01×(1+z)/1.8magforthemeanfluxineachΔz=0.1redshi\bin.

SupernovaSurvey

WideFieldImagerandIntegralFieldUnit

WFIRSTWFIshallmonitormicrolensingeventstowardtheGalac@cBulgeinaprimaryfilterwithacadenceof≤15minutes,achievingaS/N≥100perexposureforaJAB=21.3star,andinasecondfilterwithacadence≤12hoursover,seasonsofnolessthan60days.

MicrolensingSurvey

WideFieldImager

WFIRSTWFIshallhaveanangularresolu@on<0.4arcsec. MicrolensingSurvey

WideFieldImager


21January26,2016




Instrument

WFIRSTCoronagraphshalldirectlyimageexoplanetsaroundnearbystars,andcarryoutcolorphotometrymeasurementsinthespectralrangeabout400-1000nm,witheffec@vecontrastof3x10-9andaninnerworkingangleof200milliarcseca\erpost-processing.

CoronagraphSurvey

CoronagraphImager

WFIRSTCoronagraphshallspectroscopicallycharacterizeexoplanetsbymeasuringcon@nuaandspectralabsorp@onfeaturesoverawavelengthrangeof600–950nmwithmeanspectralresolu@onofatleast70.

CoronagraphSurvey

CoronagraphIntegralFieldSpectrograph

WFIRSTshallbecapableofmakingimagingobserva@onsofdisksandplanetsin2orthogonalpolariza@ons.

CoronagraphSurvey

CoronagraphImager

WFIRSTFormula@onScienceWorkingGroup

Ø  FSWGisthescienceexecu@vecommioeeofWFIRSTØ  Membership(25members)Ø  ProjectScien@stChair,AdjutantScien@stsCo-Chairs

§  PIsandsomeDeputyPIsfromScienceInves@ga@onTeams§  ProgramScien@st(ex-officio)§  GSFCandJPLDeputyProjectScien@sts(ex-officio)§  ScienceCenterLeads(ex-officio)

Ø  ScienceInves@ga@onTeams§  DavidSpergel WFIAdjutantScien@st§  JeremyKasdin CGIAdjutantScien@st§  OlivierDoré Weaklensingandgalaxyredshi\survey§  SaulPerlmuoer Supernovae§  RyanFoley Supernovae§  ScooGaudi Microlensing§  BruceMacintosh Coronagraphy§  MargaretTurnbull Coronagraphy§  JasonKalirai GOscience,MilkyWay§  JamesRhoads GOscience,cosmicdawn§  BrantRobertson GOscience,galaxyforma@on&evolu@on§  BenjaminWilliams GOscience,nearbygalaxies§  AlexanderSzalay GIscience,archivalresearch


WFIRSTKDP-A/APMCProjectOverview

KevinGrady/GSFCProjectManager

23January26,2016

Outline

Ø HistoryØ Programma@cRequirementsØ MissionOverviewØ Implementa@on/Organiza@onØ ScheduleandLifecycleCostØ Near-TermAccomplishments&PhaseAPlans


25

WFIRSTHistory(1of2)

Ø  Sept2008–August2010:JointDarkEnergyMission(JDEM)ProjectestablishedatGSFC.Mul@pleInfraRed(IR)surveyconfigura@onsstudiedwithinterimscienceworkinggroupsappointedbyHQ.

Ø  June2009:Omegaconfigura@ondevelopedandwhitepapersubmioedtoDecadalSurvey.

Ø  August2010:NewWorldsNewHorizons(NWNH)iden@fiesWFIRSTas#1largeastrophysicsmissionpriorityforthedecade.JDEMOmegaconfigura@oniden@fiedasreference.§  ExpansionhistoryofUniverse/growthofstructure§  Performplanetarysystemssta@s@calcensus§  SurveyofNIRsky§  Guestobserverprogram

Ø  Nov2010–Aug2012:ScienceDefini@onTeam(SDT–Schechter&Green)andWFIRSTStudyOfficedevelopedInterimDesignReferenceMission(IDRM),a1.3mapertureoff-axisdesign.FinalReportAug2012.2CostAndTechnicalEvalua@on(CATEs)performed.


26

WFIRSTHistory(2of2)

Ø  Oct2012–Mar2015:AnewScienceDefini@onTeam(SDT–Spergel&Gehrels)andtheWFIRSTStudyOfficedevelopedadesignreferencemissionu@lizingtheexis@ng2.4mtelescopetransferredtoNASA.May2013andApril2014InterimReport,March2015FinalReport.2CATEsperformed.

Ø  July2013–Dec2013:AFTA(WFIRST)CoronagraphWorkingGroup(ACWG)recommendsacoronagrapharchitectureforthepoten@alcoronagraphthatwouldflyontheWFIRSTmission.Sciencecommunity/ExEP/WFIRSTStudyOffice.

Ø  March2014:NASArequestedareviewofthelargerapertureWFIRSTmissionconceptinlate2013andtheNRCCommioeeReport(HarrisonCommioee)concluded,“2.4mmirrorwillsignificantlyenhancethescienIficpowerofthemission.”“ResponsivetoallNWNHscienIficgoals.”


MulIpleindependentcostandtechnicalassessmentsofIRsurveyDesignReferenceMissionshavebeenperformedbyAerospaceCorp.overthepastsevenyears,eachImevalidaIngtheStudyOffice’s

esImate(10-15%),developmentscheduleandtechnicalapproach/risk.

27

KeyProgramma@cDriversProgramLevelRequirementsAppendix

(PLRA)Ø  NewWorldsNewHorizons(NWNH)ScienceObjec@ves

§  Producemul@-bandNIRskysurvey:expansionhistory,growthofstructure,planetarysystemssta@s@calcensusandrobustGuestObserverprogram

Ø  Matureexoplanetdirectimagingtechnologies–demonstratenewinternalstarlightsuppressiontechniques§  Imageandcharacterizegiantplanetsanddebrisdisks

Ø  WFIRSTisCategory1project–AgencyProgramManagementCouncil(APMC)Ø  U@liza@[email protected].Ø  Twoinstruments:WideFieldandCoronagraphinstruments.Ø  WFIRSTdesignatedClassBmission(NPR8705.4);Coronagraphtechnology

demonstra@onisdesignatedasClassC.Ø  L2orbit(currentbaseline)launchedfromEasternTestRange(ETR).Ø  6¼yearmissionlife.Ø  Modularspacecra\andinstrumentdesigntofacilitaterobo@cservicing.Ø  Poten@alinterna@onalpartnercontribu@onsareunderdiscussion.Ø  WFIRSTpartofExoplanetExplora@onProgram(ExEP).


Dra\BaselineTechnical&DataRequirements-Level1s

BaselineTechnical/DataRequirement

TheWFIRSTobservatoryandassociatedgroundsupportequipmentshallbedesignedandfabricatedtosustainbaselinescienceopera@onsforatleast6years.

TheWFIRSTobservatoryshallemployanexis@ngtelescopewitha2.36mdiameterprimarymirror,on-axissecondarymirror,andassociatedmeteringstructure.

[email protected],definedashavingaStrehlRa@ogreaterthanorequalto0.8acrossthewidefieldinstrumentfieldofview.

TheobservatoryshallhavethecapabilitytorespondtoTargetofOpportunityrequeststopointatatransientobjectintheskywithintheFieldofRegardoftheobservatory.

TheWFIRSTwidefieldinstrumentshallhaveaminimumfieldofviewof0.25deg2.

TheWFIRSTflightsystemshallbeimplementedwithmechanicalfeaturesdesignedtofacilitateapoten@alfuturerobo@cservicingmission.

ProvideapublicreleaseofimagingdatafromtheWFIprocessedtotheL1bstandardwithin72(TBR)hoursofacquisi@on,andprovideapublicreleaseofalldataprocessedtotheL3standardwithin6months(TBR)ofacquisi@on.


WFIRSTMissionOverview


MissionOperaConsCenter

WideFieldIOC

ScienceInvesCgaConTeams&GI/GO

WFIRSTScienceCenter

NENGroundStaCons

FlightDynamics

(launch)

DSNSpaceNetwork

WhiteSands

PuntaArenas

CoronagraphIOC

FalconHeavyDeltaIVHeavy IOC–InstrumentOpera@onsCenter

ObservatoryConfigura@on

30WFIRSTKDP-ASMDProgramManagementCouncilJanuary26,2016

SolarArraySunShield(SASS)

ServicingRobot

Interface

InstrumentCarrier(IC)

AvionicsModulesx7

X

Y

OuterBarrelAssembly(OBA)

WideFieldInstrument

(WFI)

CoronagraphInstrument

(CGI)

Scarf

OBADoor

OuterBarrelExtension(OBE)

X

Y Z

DeployedHighGainAntenna

LaunchConfiguraCon On-OrbitConfiguraCon


WFIRSTInstruments

Ø  WideFieldInstrument(WFI)-GSFC§  Provideswidefieldimagingand

spectroscopyinsupportofthedarkenergysurveysandthemicrolensingsurvey.

§  Providesintegralfieldspectroscopyinsupportofthesupernovasurveyandweaklensingphotometricredshi\calibra@ons.

§  Providesguidestardataforobservatoryfinepoin@ng.

Ø  CoronagraphInstrument(CGI)-JPL§  Provideshighcontrastimagingand

integralfieldspectroscopyinsupportofexoplanetanddebrisdiskscience.


Telescope&Spacecra\

TheWFIRSTObservatoryincludes…Ø  Telescope–JPL/Harris

§  Providesthefirsttwomirrorsforbothinstruments,withtheprimarymirrorsizedat2.4m.

Ø  Spacecra\(S/C)–GSFC§  Providespower,command&data

handling,a~tudecontrolandcommunica@onsforthepayload

§  Providesamodulardesigntoenableserviceability.

§  Providesanop@callystablestructuretosupportthepayload(telescopeandinstruments)

OuterBarrelAssembly(OBA)

ForwardOpCcalAssembly(FOA)

ProjectOrganiza@on


JPLManagementPhilBarela/BenParvin

Project Management PM Kevin Grady

DPM Cathy Peddie DPM-R Christine Steeley

(GSFC)

Procurement CO Julie

Janus (GSFC)

Safety & Mission Assurance

CSO Keith Cleveland (GSFC)

Coronagraph Instrument

Coronagraph Manager

Feng Zhao (JPL)

Telescope JPL Manager

Ben Parvin (JPL) COTR Manager

Gary Kuan (JPL) Harris Managers

Laura Abplanalp (Harris) Bonnie Patterson (Harris)

Business Support Mission Business

Manager Katie Bisci (GSFC)

Science

Project Scientist Neil Gehrels (GSFC)

Science Working Group Science Investigation Teams

Systems Engineering MSE John Ruffa (GSFC)

DMSE Mark Melton (GSFC)

Launch Services Chuong Nguyen

(KSC)

Payload Payload Project Manager

Dave Content Deputy Payload Project

Manager Al Vernacchio (GSFC)

Wide-Field Instrument

WFI Manager Art Whipple

(acting) (GSFC)

Spacecraft Observatory

Manager Mark Melton (acting)

(GSFC)

IntegraCon&Test

I&TManagerJoanneBaker

(GSFC)

Ground Systems Ground Systems

Manager Steve Tompkins (acting)

(GSFC)

Science Center Science Lead Ken Carpenter

(GSFC)

Mission Operations Center

Manager Steve Tompkins

(GSFC)

Payload Systems Engineer

Lisa Bartusek (GSFC)

Project Support Bill Hensley

(GSFC)

Avionics/Electrical Systems Chief

Engineer Harry Culver

(GSFC)

Mechanical Systems Chief

Engineer Jeff Stewart

(GSFC)

STScI WFIRST Science Center

Manager Roeland

Van Der Marel

IPAC WFIRST Science Center

Manager Roc Cutri

MissionSchedule–2024LRD


Ø  82monthB/C/DdevelopmentscheduleØ  2024LRDrequiresover-guidefundingstar@ngFY18

MissionSchedule–2025LRD


Ø  8yearB/C/Ddevelopmentschedule

36January26,2016

RecentAccomplishments

Ø  Recentaugmentedfunding(FY14-16,203M)hasenabledsignificantprogress.Recentbudgethas90MinFY17,and10MfromSTMD.§  Technologymatura@on.§  Increasedfidelityinthedesignreference.

Ø  WFIRSTtechnology(CoronagraphandIRdetectors)con@nuetomakeexcellentprogress.AllHQmilestonessuccessfullycompleted.§  AHQcharteredTechnologyAssessmentCommioee(TAC)providesforexternalreviewoftechnology

milestonesforcoronagraphandIRdetectors.Ø  MissionConceptReview(MCR)successfullycompletedinDecember.Ø  AnindustryRequestForInforma@on(RFI)wasissuedinJuly2015forpoten@alpar@cipa@onin

WFIRST.Inputsreceivedandmanagementbriefedonresults.Ø  WideFieldconceptstudyRFPreleasedJanuary4th.

§  ProposalsreceivedFebruary3.§  An@cipateawardingstudycontractsinMarch.

Ø  Con@nuedengagingtheScienceCommunity§  WFIRSTPreparatoryScience(WPS)teamsfunded.17teams.$2M/yr§  TwiceyearlyspecialsessionsatAAS's&IAU§  WFIRSTFormula@onScienceWorkingGroupandScienceInves@ga@onTeamsselec@onmadeDecember17,

2015.§  Planned:Feb29-March2“CommunityAstrophysicswithWFIRST”

Ø  WFIRSTFormula@onScienceWorkingGroup(FSWG)kick-offwithProjectheldFebruary2-4,2016.


37

PhaseAAc@vi@es

Ø  KeyDecisionPointA(KDP-A)hasarrived.Ø  FinalizeAcquisi@onStrategy

§  Acquisi@onStrategyMee@ngtooccurinsummer2016.§  WideFieldIndustryconceptstudyMarch–June2016.

Ø  SRR/MDRPrepara@on§  CompleterequirementsdevelopmentandflowdownfromScience

Objec@vestoLevel1,2,3anddrivingLevel4requirements§  CompleteopendesigntradesandupdatetheWFIRSTdesignconcept.§  CompleteIRdetectorandcoronagraphtechnologymilestones.§  Developgrassrootsimplementa@onplansandschedulesduring

Formula@on.§  [email protected](control

plans,descopeplan,designreference,etc.)•  Extensivedescopelistalreadygenerated,tobedevelopedintofullplan.


PhaseASchedule


2015 2016 2017Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

WFIRSTPhaseASchedule-PreliminaryWFIRSTPhaseASchedule-PreliminaryWFIRSTPhaseASchedule-PreliminaryTask Name

Management Milestones

Systems

Design Reference

Requirements Development (MRD, ICDs)

Systems Products

Science

Requirements (SRD)

Simulation DevelopmentTelescope

Design Reference

Requirements Development

Hardware Assessments

Implementation PlansWidefield

In-House Widefield ActivitiesIR Detector/Focal PlaneDesign ReferenceRequirements DevelopmentImplementation Plans

Industry Widefield ActivitiesProcurement Activities

CoronagraphTechnologyDesign ReferenceRequirements DevelopmentImplementation Plans

SpacecraftIn-House Spacecraft Build

Design ReferenceRequirements DevelopmentImplementation PlanEngineering Activities

Payload & Observatory I&TImplementation PlansDevelop I&T Processes & Test Config(s)

Ground SystemDesign ReferenceRequirements DevelopmentImplementation Plans

MCR12/8-9 1/22

CMC

1/26

DPMC 2/17

KDP-A

7/13

Trade Wrap-up

7/21

ASM

1/12

Config Freeze

6/1

SRR/MDR

10/2

KDP-B

MCR

Cycle 6 IM

Data RecOptimization

SASS-OBAWFI Elec TradeOrbit Optimization

7/14CLA 1/12

ConfigFreeze

Integrated Modeling

5/10MRD-1 8/30MRD-2 12/20MRD-3 SRR

1/15Risk Mgmt

Plan

1/15

SW MgmtPlan Prelim

2/1

SEMP V&V Plan 5/30SW MgmtPlan Baseline

2/4SWG

3/3WPS

SWG4/24-26

5/11st IterationGoals & Obj 7/1 Update L2

Rqmts

9/1Final Goals

& ObjScience Team

9/20-2212/1

N-Final L2Rqmts

SWG12/6-8

3/1

Final L2Rqmts

SWG3/7-9

4/1

Cmplt SRDSubst Edits

5/1

Cmplt SRDCleanup

5/15Update PLRA

12/20Rel. Draft SRD

Jeff Sim plan Post SWG Selection

2/11

Cycle 6 Wrap-up/Config Freeze 10/3 5/1

1/11

2/10

Audit #2 IR

10/2

Op. Temp./Aging Mitigation

11/15

Prelim DesignPlans Draft

12/1

Prelim DesignPlans Final 1/25

Detail DesignPlans Draft

2/15

Detail DesignPlans Final 4/15

Fab I&TPlans Draft

5/15

Fab I&TPlans Final

Start SCA QualPhase A Study

ATP

9/15

DTAC #4

12/1

DTAC #5

Trades#1 Cmplt #2 & #3 Cmplt

#4 Cmplt

#5 CmpltUpdate Design

Config FreezeIntegrated Modeling

IMCmplt

WFI L3 COMA L4 IFU L4 Mass/Sensitivity/Power Budget

Warm Elec L4

1st Draft

Baseline

12/21

IndustryNOI

1/4

RFP

3/29

AwardPre-Phase A Study

7/29 8/1

Phase A RFPRelease

9/1

ProposalsRcv'd

10/14

Phase AAward

Phase A

6/15

Phase B/C/DRFP Released

8/1

ProposalsRec'd

Evaluate B/C/D Proposals

12/1

Award B/C/D

8/25

TRL-6 (EMCCD)

12/15

TRL-5 (OMC Tstbd)

9/30

TRL-6 (OMC Tstbd)

Cycle 6 Wrap-up/Config FreezeUpdate Design

L1/L2/L3 StartSci Rqmt Doc Level 2/3 Start 8/24

Sci Rqmt Doc Level 2/3 Cmplt

L4 Initial

2/1

L4 Draft

6/1

L4 Release

FY 16 Replan

Cog-E's Hired

3/15

InitialPlan

3/31

CenterReview

5/15

Revised PlanDel to GSFC(Baselined)

4/1

Thruster Loc TradeProp Sys TradeS/C Processor Trade

6/1

IC OptimizationST/SSIRU Location TradeMomentum unload Options

A

B CUpdate Design

Config Freeze

D

Integrated Modeling

IMCmplt E - F G

5/10

L3/4 Rqmts

L3/4 Rqmts 8/30

L3/4 Rqmts

10/25

L3/4 Rqmts

12/20

L3/4 Rqmts

Draft

Preliminary Design Plans

Final

Detail Design Plans

Draft

FinalFab & I&T Plans

Draft Final

LS & Phase E PlanDraft Final

2/22

Ka-Proto

2/14

Science DataTest Bed

10/1

IC Mat'ls Charac& Testing

8/1

Draft IntegratedLogistics Imp Plan

10/1

S/C I&T Imp Plan

2/1

Payload I&T Imp Plan4/1

Obs I&T Imp Plan

Preilim IntegratedLogistics Imp Plan

9/15

Draft SCI&T Plan

10/15

Draft PayloadI&T Plan

12/15

Draft ObservatoryI&T Plan

3/15Prelim SCI&T Plan

4/15Prelim PayloadI&T Plan

5/15

Prelim ObservatoryI&T Plan

GS Architecture Prelim Ops Concept Arraying Prototype Cmplt Final Concept

Initial GS Rqmts Initial MOC Rqmts

Science Center RqmtsFinal GS/MOC/STScI Rqmts

Initial GS Imp Plan Cmplt Final Plan

SN / HLS / MuL / Cor SN / HLS / MuL / Cor SN / HLS / MuL / Cor SN / HLS / Mu L/ Cor SN / HLS / Mu L / Cor

1 - AG SCA (HyVISI vs HgCdTe) 2 - Cryocooler Fault Tolerance Architecture 3 - SCE-FPE Architecture (Possible Multiplexing) 4 - FPE Thermal Control Reqs 5 - FPA Baseplate Material (CiC vs CE6)

Widefield Trade Milestones

As of: February 2016

A - Test Bed, Add Guide Window Processing B - Test Bed, Add Data Storage Functionality C - Connector Module Development (Build & Functional Test) D - Connector Module with Mechanism Qualification E - Peak Power Tracker electronics breadboard (complete design, build & test) F - Solid State Discrete Power Controller with current monitor (complete design, build & test) G - Complete IC Materials Characterization & Testing

Spacecraft Milestones

39January26,2016

WFIRSTRiskSummary(YellowandRedRanking)

Rank ID Title Approach

1 RISK-WFI-0001 WFCFPADetectorPerformance Mitigate

2 RISK-WFI-0003 WFCFPADetectorYield Mitigate

3 RISK-WFI-0002 WFCFPADetectorManufacturingIssues

Mitigate

4 RISK-WFI-0043 WFCFocalPlaneSystemPerformance

Mitigate

5 RISK-WFI-0042 WFCFocalPlaneIntegra@on Mitigate

6 RISK-INST-0032 InstrumentCarrierandWFIOp@calBench

Mitigate

7 RISK-WFI-0041 WFCFocalPlaneAlignmentStability

Mitigate

8 RISK-WFI-0035 WFIIFUImageSliceropto-mechanicalmanufacturing

Mitigate

9 RISK-TELE-0027 TelescopePedigreeandCapability

Mitigate

10 RISK-WFI-0039 WFICryocoolerTurbineLife@me Mitigate

1 2 3 4 5

Criticality

M-Mitigate

W-Watch

A-Accept

Ar-Archive

Approach


1

10

2 3 4 5

6 7 8 9

40

ProjectManagerAssessment

ü  TheStudyTeamhasexploredIRsurveyinstrumentsforthepast7years;numerousconceptsdeveloped–thetradespaceiswellunderstood.

ü  WFIRSTwiththe2.4-mtelescopeprovidesanexci@ngscienceprogram,superiortothatrecommendedbyNWNHwithcomparablecostandalsoadvancesexoplanetimagingtechnology(thehighestrankedmedium-classNWNHrecommenda@on).

ü  HugeastronomyandastrophysicsdiscoverypotenCal–GuestObserver.ü  FundinghasallowedsignificantprogressintechnologymaturaCon.ü  KeydevelopmentareasareanchoredinoveradecadeofinvestmentsinJPL’s

highcontrasttestbedandGSFC’sDetectorCharacteriza@onLab.

WFIRSTTeamisreadyforPhaseAJanuary26,2016 WFIRSTKDP-ASMDProgramManagementCouncil

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