The Hubble Space Telescope Optical Systems Failure Report

The Hubble Space Telescope Optical Systems Failure Report

ID:40103905

大小:5.57 MB

页数:116页

时间:2019-07-21

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1、TheHubble-TelescopeODtidFailureRewrtNovember1930NationalAeronauticsandSpaceAdministrationTneHubbleSpaceTelescopeOpticalSystemsFailureReportNovember1WNationalAeronauticsandSpaceAdministrationDr.LewAllen,ChairmanDirector,JetPropulsionLaboratoryLDr.~o~erhinge1ProfessorofAstro

2、nomy,StewardObservatoryUniversityofArizona~ead,Optics~raa,~~ac2~echnolo~~DivisionNASMGoddardSpaceFlightCenter~rxeorgeA.~odne~AAssociateAdministratorforSafetyandMissionQualityNASAHeadquartersProfessorRobertR.ShannonDirector,OpticalSciencesCenterUniversityofArizonaMr.Charles

3、P.spoelh&VicePresident(Retired),EastmanKodakCompanyTheHubbleSpaceTelescope(HST)waslaunchedaboardtheSpaceShuttleDiscoveryonApril24,1990.Duringcheckoutonorbit,itwasdiscoveredthatthetelescopecouldnotbeproperlyfocusedbecauseofaflawintheoptics.TheHSTProjectManagerannouncedthisf

4、ailureonJune21,1990.Bothofthehigh-resolutionimagingcameras(theWideFieldplanetaryCameraandtheFaintObjectCamera)showedthesamecharacteristicdistortion,calledsphericalaberration,thatmusthaveoriginatedintheprimarymirror,thesecondarymirror,orboth.TheNationalAeronauticsandSpaceAd

5、ministration(NASA)AssociateAdministratorfortheOfficeofSpaceScienceandApplicationsthenformedtheHubbleSpaceTelescopeOpticalSystemsBoardofInvestigationonJuly2,1990,todeterminethecauseoftheflawinthetelescope,howitoccurred,andwhyitwasnotdetectedbeforelaunch.TheBoardconductedits

6、investigationtoincludeinterviewswithpersonnelinvolvedinthefabricationandtestofthetelescope,reviewofdocumentation,andanalysisandtestoftheequipmentusedinthe.fabricationofthetelescope'smirrors.TheinformationinthisreportisbasedexclusivelyontheanalysesandtestsrequestedbytheBoar

7、d,thetestimonygiventotheBoard,andthedocumentationfoundduringthisinvestigation.Continuedanalysisofimagestransmittedfromthetelescopeindicatedthatmost,ifnotall,oftheproblemliesintheprimarymirror.TheBoard'sinvestigationofthemanufactureofthemirrorprovedthatthemirrorwasmadeinthe

8、wrongshape,beingtoomuchflattenedawayfromthemirror'scenter(a.0.4-wavermswavefronterrorat63

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