TD-1A
E422018
TD-1A was a European Space Research Organisation astronomical satellite dedicated primarily to ultraviolet sky surveys and stellar observations in the early 1970s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| TD-1A canonical | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical satellite
ⓘ
space telescope ⓘ ultraviolet space observatory ⓘ |
| alsoKnownAs | TD-1 ⓘ |
| apsis | gee ⓘ |
| attitudeControl | three-axis stabilized ⓘ |
| catalogProduced | TD-1 ultraviolet stellar catalog ONNED1 ⓘ |
| countryOfOperator | Europe NERFINISHED ⓘ |
| dataUsedFor |
galactic structure studies
ⓘ
interstellar extinction studies ⓘ stellar ultraviolet flux measurements ⓘ |
| inclination | 97.6 degrees ⓘ |
| launchContractor | NASA ONNED1 ⓘ |
| launchCountry |
United States of America
ⓘ
surface form:
United States
|
| launchDate | 1972-03-12 ⓘ |
| launchSite | Vandenberg Air Force Base NERFINISHED ⓘ |
| launchVehicle | Thor-Delta rocket NERFINISHED ⓘ |
| missionDuration | about 2 years ⓘ |
| missionEnd | 1974 ⓘ |
| missionStart | 1972 ⓘ |
| missionType |
astronomy
ⓘ
ultraviolet sky survey ⓘ |
| namedBy | European Space Research Organisation NERFINISHED ⓘ |
| notableResult | one of the first full-sky ultraviolet surveys ⓘ |
| observedObjectType |
galaxies
ⓘ
quasars ⓘ stars ⓘ |
| operatedInDecade | 1970s ⓘ |
| operator |
ESRO
NERFINISHED
ⓘ
European Space Research Organisation NERFINISHED ⓘ |
| orbitRegime | Earth orbit ONNED1 ⓘ |
| orbitType | low Earth orbit ⓘ |
| powerSource | solar panels ⓘ |
| primaryObjective |
stellar observations
ⓘ
ultraviolet sky surveys ⓘ |
| program | ESRO scientific satellite program ⓘ |
| scientificDiscipline |
astrophysics
ⓘ
space science ⓘ |
| spaceAgencyPredecessorOf | European Space Agency ONNED1 ⓘ |
| spacecraftBus | ESRO scientific satellite bus ⓘ |
| status | mission completed ⓘ |
| successorAgency | ESA NERFINISHED ⓘ |
| surveyType | all-sky survey ⓘ |
| wavelengthCoverage |
ultraviolet
ⓘ
visible ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.