Post on 31-Jul-2020
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.
WFIRSTKDP-ASMDProgramManagementCouncil
6January26,2016
PremierDarkEnergyObservatory
Ø WFIRSTwillbethefirstmissiontofullyexploitthepowerfulIRbandfordarkenergymeasurements.
Ø Itwillbemuchmoresensi@veandhavehigherangularresolu@onthananyotherdarkenergyinstrument.
WFIRSTKDP-ASMDProgramManagementCouncil
WFIRST
Hα
OIII
Euclid
IROpCcal
redshi\(distance)
BAODen
sityParameter
CompletetheCensusofExoplanets-Microlensing
7
Kepler WFIRST
January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil
8
CompletetheCensusofExoplanets-Microlensing
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Kepler WFIRST
• 2600planetdetec@ons.
• 370withEarthmassandbelow.
• Hundredsoffree-floaCngplanets.
WFIRSTperfectlycomplements
Kepler,TESS,andPLATO.
9January26,2016
PioneeringHighContrastExoplanetCoronagraph
Ø Imagingathighcontrastprovidesfordirectdetec@onandspectroscopy(characteriza@on)ofexoplanets
WFIRSTKDP-ASMDProgramManagementCouncil
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)
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12January26,2016
FindingtheMostDistantGalaxies
Ø WFIRST’sHigh-La@tudeSurveywillyieldupto2ordersofmagnitudemorehighredshi\galaxiesthancurrentlyknown.
Ø WFIRSTwillfindinteres@ngdistantgalaxiesforJWSTandfuturenarrow-fieldtelescopestoobserve.
WFIRSTKDP-ASMDProgramManagementCouncil
WFIRSTcomplementsJWST
13
WIDE!
DEEP!
WFIRST
JWST
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WFIRSTScienceObjec@ves
14January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil
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.
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WFIRSTPayloadEnablesTopNWNHPriori@es
Ø 2.4mTelescope§ Exquisitepointspreadfunc@onenhancingsciencebeyondthatenvisionedbyNWNH
Ø WideFieldInstrument§ Providesnearinfraredwidefieldimagingandspectroscopyinsupportofthedarkenergyandexoplanetcensusobjec@ves
§ Providesintegralfieldspectroscopyinsupportofthedarkenergyobjec@ves.
Ø CoronagraphInstrument§ Provideshighcontrastimagingandintegralfieldspectroscopyinsupportofexoplanetanddebrisdiskdirectimagingobjec@ves.
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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
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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
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Dra\BaselineScienceRequirements-Level1s(2/3)
BaselineScienceRequirement ScienceSurvey
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
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21January26,2016
Dra\BaselineScienceRequirements-Level1s(3/3)
WFIRSTKDP-ASMDProgramManagementCouncil
BaselineScienceRequirement ScienceSurvey
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
January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil 22
WFIRSTKDP-A/APMCProjectOverview
KevinGrady/GSFCProjectManager
23January26,2016
Outline
Ø HistoryØ Programma@cRequirementsØ MissionOverviewØ Implementa@on/Organiza@onØ ScheduleandLifecycleCostØ Near-TermAccomplishments&PhaseAPlans
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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.
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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.”
January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil
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@onofexis@ng2.4maperturetelescope.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).
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Dra\BaselineTechnical&DataRequirements-Level1s
BaselineTechnical/DataRequirement
TheWFIRSTobservatoryandassociatedgroundsupportequipmentshallbedesignedandfabricatedtosustainbaselinescienceopera@onsforatleast6years.
TheWFIRSTobservatoryshallemployanexis@ngtelescopewitha2.36mdiameterprimarymirror,on-axissecondarymirror,andassociatedmeteringstructure.
TheWFIRSTobservatoryshallbediffrac@onlimitedat1.2micrometers,definedashavingaStrehlRa@ogreaterthanorequalto0.8acrossthewidefieldinstrumentfieldofview.
TheobservatoryshallhavethecapabilitytorespondtoTargetofOpportunityrequeststopointatatransientobjectintheskywithintheFieldofRegardoftheobservatory.
TheWFIRSTwidefieldinstrumentshallhaveaminimumfieldofviewof0.25deg2.
TheWFIRSTflightsystemshallbeimplementedwithmechanicalfeaturesdesignedtofacilitateapoten@alfuturerobo@cservicingmission.
ProvideapublicreleaseofimagingdatafromtheWFIprocessedtotheL1bstandardwithin72(TBR)hoursofacquisi@on,andprovideapublicreleaseofalldataprocessedtotheL3standardwithin6months(TBR)ofacquisi@on.
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WFIRSTMissionOverview
29January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil
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
31WFIRSTKDP-ASMDProgramManagementCouncilJanuary26,2016
WFIRSTInstruments
Ø WideFieldInstrument(WFI)-GSFC§ Provideswidefieldimagingand
spectroscopyinsupportofthedarkenergysurveysandthemicrolensingsurvey.
§ Providesintegralfieldspectroscopyinsupportofthesupernovasurveyandweaklensingphotometricredshi\calibra@ons.
§ Providesguidestardataforobservatoryfinepoin@ng.
Ø CoronagraphInstrument(CGI)-JPL§ Provideshighcontrastimagingand
integralfieldspectroscopyinsupportofexoplanetanddebrisdiskscience.
32WFIRSTKDP-ASMDProgramManagementCouncilJanuary26,2016
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
33January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil
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
34January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil
Ø 82monthB/C/DdevelopmentscheduleØ 2024LRDrequiresover-guidefundingstar@ngFY18
MissionSchedule–2025LRD
35January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil
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.
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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.§ DevelopKDP-Bdocumenta@onandproductsperNPR7120.5E(control
plans,descopeplan,designreference,etc.)• Extensivedescopelistalreadygenerated,tobedevelopedintofullplan.
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PhaseASchedule
38January26,2016 WFIRSTKDP-ASMDProgramManagementCouncil
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
WFIRSTKDP-ASMDProgramManagementCouncil
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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