equatorialCoordinateEpoch
P66369
predicate
Indicates the specific reference date or epoch at which an object's equatorial coordinates (right ascension and declination) are defined or valid.
Observed surface forms (20)
| Surface form | Occurrences |
|---|---|
| equatorialCoordinatesEpoch | 8 |
| rightAscensionEpoch | 6 |
| hasCoordinateEpoch | 5 |
| hasRightAscensionEpochJ2000 | 4 |
| coordinateEpoch | 3 |
| hasDeclinationEpochJ2000 | 3 |
| declinationEpoch | 2 |
| equatorialCoordinateSystemEpoch | 2 |
| equatorialCoordinatesEpochJ2000 | 2 |
| hasEquatorialCoordinatesEpoch | 2 |
| hasEquatorialCoordinatesEpochJ2000 | 2 |
| DecJ2000 | 1 |
| ThubanPoleStarEpoch | 1 |
| coordinatesEpoch | 1 |
| declination_epochJ2000 | 1 |
| hasDeclinationEpoch | 1 |
| hasEquinoxCoordinates | 1 |
| hasEquinoxForCoordinates | 1 |
| hasEquinoxReference | 1 |
| hasRightAscensionEpoch | 1 |
Sample triples (68)
| Subject | Object |
|---|---|
| Bellatrix | J2000.0 ⓘ |
| HR 1457 | J2000 ⓘ |
| Delta Cancri | J2000 via predicate surface "hasEquinoxCoordinates" ⓘ |
| HD 23480 | true via predicate surface "hasEquatorialCoordinatesEpochJ2000" ⓘ |
| Epsilon Crucis | J2000.0 ⓘ |
| Κάνωπος | J2000 via predicate surface "equatorialCoordinatesEpoch" ⓘ |
| AllWISE Source Catalog | J2000 via predicate surface "coordinateEpoch" ⓘ |
| ζ Persei | J2000 ⓘ |
| HD 24912 | J2000 via predicate surface "coordinatesEpoch" ⓘ |
| HIP 89931 | J2000.0 ⓘ |
| Mu Serpentis | J2000 via predicate surface "equatorialCoordinatesEpoch" ⓘ |
| Epsilon Telescopii | J2000 ⓘ |
| Antares | J2000 via predicate surface "equatorialCoordinatesEpoch" ⓘ |
| Butterfly Cluster | J2000 via predicate surface "rightAscensionEpoch" ⓘ |
| Butterfly Cluster | J2000 via predicate surface "declinationEpoch" ⓘ |
| NGC 5460 | J2000 via predicate surface "rightAscensionEpoch" ⓘ |
| Gamma Tucanae | J2000.0 via predicate surface "coordinateEpoch" ⓘ |
| NGC 6611 | −13° 47′ via predicate surface "DecJ2000" ⓘ |
| NGC 4609 | J2000 via predicate surface "rightAscensionEpoch" ⓘ |
| M70 | J2000 via predicate surface "rightAscensionEpoch" ⓘ |
| Aludra | in constellation Canis Major via predicate surface "hasEquatorialCoordinatesEpochJ2000" ⓘ |
| NGC 6712 | J2000 ⓘ |
| NGC 4535 | J2000.0 via predicate surface "coordinateEpoch" ⓘ |
| NGC 4579 | J2000 via predicate surface "hasCoordinateEpoch" ⓘ |
| Draco | around 2700 BCE via predicate surface "ThubanPoleStarEpoch" ⓘ |
| Galactic anticenter | J2000 via predicate surface "equatorialCoordinateSystemEpoch" ⓘ |
| HD 37742 | J2000 ⓘ |
| SAO 132444 | RA 05h 40m 45s via predicate surface "equatorialCoordinatesEpochJ2000" ⓘ |
| SAO 132444 | Dec −01° 56′ 34″ via predicate surface "equatorialCoordinatesEpochJ2000" ⓘ |
| Nihal | J2000.0 ⓘ |
| Cursa | J2000 ⓘ |
| HR 1790 | J2000 ⓘ |
| Gamma Orionis | J2000 via predicate surface "hasEquatorialCoordinatesEpoch" ⓘ |
| Alpha Eridani | J2000 via predicate surface "equatorialCoordinatesEpoch" ⓘ |
| NGC 2301 | J2000.0 via predicate surface "equatorialCoordinatesEpoch" ⓘ |
| Beta Monocerotis | J2000 ⓘ |
| Gamma Eridani | J2000 ⓘ |
| Cetus dSph | J2000 via predicate surface "hasCoordinateEpoch" ⓘ |
| Beta Orionis | J2000 ⓘ |
| North Ecliptic Pole | J2000.0 via predicate surface "hasCoordinateEpoch" ⓘ |
| Polaris | J2000.0 via predicate surface "equatorialCoordinatesEpoch" ⓘ |
| Altair | J2000.0 via predicate surface "equatorialCoordinatesEpoch" ⓘ |
| BD+12 1919 | in constellation Cancer region via predicate surface "hasRightAscensionEpochJ2000" ⓘ |
| Asellus Borealis | 08h 43m 17s via predicate surface "hasRightAscensionEpochJ2000" ⓘ |
| Asellus Borealis | +21° 28′ 07″ via predicate surface "hasDeclinationEpochJ2000" ⓘ |
| Sagitta | J2000 via predicate surface "rightAscensionEpoch" ⓘ |
| Sagitta | J2000 via predicate surface "declinationEpoch" ⓘ |
| HR 1411 | J2000 via predicate surface "hasRightAscensionEpoch" ⓘ |
| HR 1411 | J2000 via predicate surface "hasDeclinationEpoch" ⓘ |
| 87 Tauri | J2000 ⓘ |