Gaia observatory
E88135
The Gaia observatory is a European Space Agency space telescope designed to create the most precise 3D map of the Milky Way by measuring the positions, distances, and motions of over a billion stars.
Observed surface forms (4)
| Surface form | Occurrences |
|---|---|
| Gaia spacecraft | 2 |
| Gaia (with ESA) | 1 |
| Gaia satellite | 1 |
| Gaia space observatory | 1 |
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
European Space Agency mission
ⓘ
astrometry mission ⓘ space telescope ⓘ |
| abbreviation | Gaia ⓘ |
| alsoKnownAs |
Gaia observatory
ⓘ
surface form:
Gaia satellite
Gaia observatory ⓘ
surface form:
Gaia space observatory
|
| catalogueSize | over one billion stars ⓘ |
| countryOfAgency | multinational European ⓘ |
| dataPolicy | public data releases ⓘ |
| dataProduct |
astrophysical parameters of stars
ⓘ
multi-band photometry ⓘ proper motions ⓘ radial velocities ⓘ star positions ⓘ stellar parallaxes ⓘ |
| dataRelease |
Gaia Data Release 1
ⓘ
Gaia Data Release 2 ⓘ Gaia Data Release 3 ⓘ Gaia Early Data Release 3 ⓘ |
| designLifetime | 5 years ⓘ |
| fieldOfView | two fields of view separated by a basic angle of about 106.5 degrees ⓘ |
| fundingAgency | European Space Agency ⓘ |
| groundSegment | Gaia Data Processing and Analysis Consortium ⓘ |
| instrument |
astrometric instrument
ⓘ
photometric instrument ⓘ radial-velocity spectrometer ⓘ |
| launchCountry | France ⓘ |
| launchDate | 2013-12-19 ⓘ |
| launchLocation |
Kourou
ⓘ
surface form:
Kourou, French Guiana
|
| launchSite | Guiana Space Centre ⓘ |
| launchVehicle |
Soyuz rocket
ⓘ
surface form:
Soyuz-STB
|
| missionExtension | approved beyond nominal lifetime ⓘ |
| missionType |
astrometry
ⓘ
space observatory ⓘ |
| namedAfter | Gaia ⓘ |
| operator | European Space Agency ⓘ |
| orbitAround |
Sun–Earth L2
ⓘ
surface form:
Sun–Earth L2 Lagrange point
|
| orbitType | Lissajous orbit ⓘ |
| parallaxAccuracy | tens of microarcseconds for bright stars ⓘ |
| predecessor | Hipparcos satellite ⓘ |
| primaryGoal |
create a precise three-dimensional map of the Milky Way
ⓘ
measure positions, distances, and motions of stars ⓘ |
| rotationPeriod | about 6 hours ⓘ |
| scanningLaw | continuous sky-scanning rotation ⓘ |
| scienceObjective |
detect and characterize variable stars
ⓘ
detect exoplanets via astrometry ⓘ discover and characterize asteroids and Solar System objects ⓘ study formation history of the Milky Way ⓘ study kinematics of the Milky Way ⓘ study structure of the Milky Way ⓘ test general relativity through precise astrometry ⓘ |
| spacecraftBus | custom ESA design ⓘ |
| targetGalaxy | Milky Way ⓘ |
| telescopeType | dual-telescope system ⓘ |
| wavelengthRange |
near-infrared
ⓘ
optical ⓘ |
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Gaia space observatory
this entity surface form:
Gaia satellite
this entity surface form:
Gaia (with ESA)
this entity surface form:
Gaia spacecraft
this entity surface form:
Gaia spacecraft