Hipparcos satellite
E402473
The Hipparcos satellite was a European Space Agency astrometry mission that precisely measured the positions, distances, and motions of over 100,000 stars, laying the foundation for modern space-based star catalogues.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Hipparcos Catalogue | 4 |
| Hipparcos satellite canonical | 3 |
| Hipparcos mission | 2 |
| Hipparcos | 1 |
| Hipparcos mission (astrometry) | 1 |
| HipparcosCatalogue | 1 |
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
European Space Agency mission
ⓘ
astrometry satellite ⓘ space telescope ⓘ |
| acronymExpansion | HIgh Precision PARallax COllecting Satellite ⓘ |
| astrometricAccuracy | about 1 milliarcsecond for bright stars ⓘ |
| catalogueSize |
about 1 million stars in Tycho Catalogue
ⓘ
about 118000 stars in Hipparcos Catalogue ⓘ about 2.5 million stars in Tycho-2 Catalogue ⓘ |
| contributedTo |
International Celestial Reference System
ⓘ
surface form:
International Celestial Reference Frame
modern stellar distance scale ⓘ |
| countryOfOperator | Europe ⓘ |
| dataProcessingConsortium | European scientific institutions ⓘ |
| dataRelease |
Hipparcos Catalogue
ⓘ
Tycho Catalogue ⓘ Tycho Catalogue ⓘ
surface form:
Tycho-2 Catalogue
|
| deactivationDate | 1993-08-15 ⓘ |
| extendedMissionDuration | about 3.5 years ⓘ |
| fieldOfView | about 0.9 degrees ⓘ |
| launchDate | 1989-08-08 ⓘ |
| launchSite |
Guiana Space Centre
ⓘ
surface form:
Centre Spatial Guyanais
Kourou ⓘ
surface form:
Kourou, French Guiana
|
| launchVehicle | Ariane 4 ⓘ |
| legacy |
foundation for modern space-based astrometry
ⓘ
reference for calibration of Gaia measurements ⓘ |
| mass | approximately 1400 kg ⓘ |
| measuredQuantity |
stellar parallaxes
ⓘ
stellar photometry ⓘ stellar positions ⓘ stellar proper motions ⓘ |
| missionEnd | 1993 ⓘ |
| missionStart | 1989 ⓘ |
| missionType |
astrometry
ⓘ
space-based star cataloguing ⓘ |
| namedAfter |
Hipparchus
ⓘ
surface form:
Hipparchus of Nicaea
|
| nominalMissionDuration | 2.5 years ⓘ |
| operator | European Space Agency ⓘ |
| orbitInclination | about 6.9 degrees ⓘ |
| orbitPeriod | about 10.7 hours ⓘ |
| orbitType | geostationary transfer orbit ⓘ |
| originalPlannedOrbit | geostationary orbit ⓘ |
| photometricBand | Hp band ⓘ |
| power | approximately 300 W ⓘ |
| predecessor | ground-based astrometric catalogues ⓘ |
| primaryMirrorAperture | 29 cm ⓘ |
| principalInvestigator | Erik Høg ⓘ |
| projectApprovalYear | 1980 ⓘ |
| scanningLaw | continuous great-circle scanning ⓘ |
| scientificObjective |
create a high-precision reference frame for stellar positions
ⓘ
determine accurate distances to nearby stars ⓘ improve the cosmic distance scale ⓘ measure proper motions of stars across the sky ⓘ study the structure and kinematics of the Milky Way ⓘ test stellar evolution models ⓘ |
| spacecraftBus | custom ESA design ⓘ |
| successorMission | Gaia ⓘ |
| telescopeType | modulating grid telescope ⓘ |
| wavelengthRange | visible light ⓘ |
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hipparcos Catalogue
this entity surface form:
Hipparcos Catalogue
this entity surface form:
Hipparcos Catalogue
this entity surface form:
HipparcosCatalogue
this entity surface form:
Hipparcos Catalogue
this entity surface form:
Hipparcos mission
this entity surface form:
Hipparcos mission (astrometry)
this entity surface form:
Hipparcos mission