Hubble Space Telescope Optical Telescope Assembly
E907164
The Hubble Space Telescope Optical Telescope Assembly is the primary optical system of the Hubble observatory, responsible for collecting and focusing light onto its scientific instruments to enable high-resolution observations of the universe.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
Ritchey–Chrétien Cassegrain telescope
ⓘ
space telescope optical system ⓘ |
| alsoKnownAs |
HST OTA
NERFINISHED
ⓘ
Hubble OTA NERFINISHED ⓘ |
| contractedBy | NASA NERFINISHED ⓘ |
| correctedBy |
COSTAR corrective optics
NERFINISHED
ⓘ
WFPC2 built-in corrective optics ⓘ |
| correctedDuringMission | Servicing Mission 1 (1993) NERFINISHED ⓘ |
| designedBy | Perkin-Elmer Corporation NERFINISHED ⓘ |
| designedFor |
high-resolution imaging of the universe
ⓘ
near-infrared astronomy ⓘ optical astronomy ⓘ spectroscopic observations ⓘ ultraviolet astronomy ⓘ |
| hadInitialSphericalAberration | primary mirror edge too flat by about 2 micrometres ⓘ |
| hasAlignmentTolerance | nanometre-scale mirror positioning ⓘ |
| hasApertureStop | primary mirror edge ⓘ |
| hasBaffleSystem | internal light baffles ⓘ |
| hasCentralObscuration | secondary mirror and support spiders ⓘ |
| hasDesignWavelengthRange |
near-infrared
ⓘ
ultraviolet ⓘ visible ⓘ |
| hasEffectiveFocalLength |
57.6 metres
ⓘ
5760 centimetres ⓘ |
| hasFieldOfView | about 28 arcminutes (diagonal at focal plane) ⓘ |
| hasFocalRatio | f/24 ⓘ |
| hasFunction |
collect light from astronomical sources
ⓘ
focus light onto Hubble scientific instruments ⓘ provide diffraction-limited imaging in space ⓘ |
| hasOperatingEnvironment | low Earth orbit vacuum ⓘ |
| hasOperatingTemperatureControl | thermal insulation and heaters ⓘ |
| hasPointingStabilityRequirement | 0.007 arcseconds ⓘ |
| hasPrimaryMirrorCoating | aluminium with magnesium fluoride overcoat GENERATED ⓘ |
| hasPrimaryMirrorDiameter |
2.4 metres
ⓘ
94.5 inches ⓘ |
| hasPrimaryMirrorMaterial | ultra-low expansion glass ⓘ |
| hasSecondaryMirrorDiameter |
0.3 metres
ⓘ
12 inches ⓘ |
| hasStructuralMaterial | graphite-epoxy truss ⓘ |
| hasSupportStructure | metering truss ⓘ |
| hasWavefrontErrorAfterCorrection | about 10 nanometres RMS ⓘ |
| launchedWith | Hubble Space Telescope in 1990 ⓘ |
| launchVehicle | Space Shuttle Discovery STS-31 NERFINISHED ⓘ |
| locatedIn | Hubble Space Telescope forward section ⓘ |
| manufacturedBy | Perkin-Elmer Corporation NERFINISHED ⓘ |
| operatedBy | NASA ⓘ |
| operatedWith | Hubble Space Telescope science instruments NERFINISHED ⓘ |
| partOf | Hubble Space Telescope NERFINISHED ⓘ |
| usesPrimaryMirror | Hubble Space Telescope primary mirror ⓘ |
| usesSecondaryMirror | Hubble Space Telescope secondary mirror ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
Hubble Space Telescope science instruments
→
uses
→
Hubble Space Telescope Optical Telescope Assembly
ⓘ