Acamar
E540383
Acamar is a bright binary star system in the constellation Eridanus, historically known as the river’s end in ancient star lore.
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf | binary star system ⓘ |
| angularSeparationBetweenComponents | about 8 arcseconds ⓘ |
| apparentMagnitudeV | 2.88 ⓘ |
| declination | −40° 40′ 12″ (approximate, J2000) ⓘ |
| distanceFromEarth |
about 161 light-years
ⓘ
about 49 parsecs ⓘ |
| hasBayerDesignation |
Theta Eridani
NERFINISHED
ⓘ
θ Eridani NERFINISHED ⓘ |
| hasColorIndexBminusV | about +0.16 ⓘ |
| hasComponent |
Acamar A
NERFINISHED
ⓘ
Acamar B NERFINISHED ⓘ |
| hasComponentSpectralType |
Acamar A: A4 IV
ⓘ
Acamar B: early-type A star (approximate) ⓘ |
| hasCulturalSignificance |
considered the end of the river Eridanus in ancient star lore
ⓘ
name historically associated with the river’s end ⓘ |
| hasEquatorialCoordinateSystem | J2000 ⓘ |
| hasFlamsteedDesignation | 19 Eridani NERFINISHED ⓘ |
| hasHDDesignation | HD 18622 NERFINISHED ⓘ |
| hasHIPDesignation | HIP 13847 NERFINISHED ⓘ |
| hasHRDesignation | HR 897 ⓘ |
| hasOtherDesignation |
CD−40 773
NERFINISHED
ⓘ
SAO 21521 NERFINISHED ⓘ WDS J02752-4016 NERFINISHED ⓘ |
| hasParallaxMeasurement | measured by Hipparcos and Gaia missions ⓘ |
| hasProperMotion | exhibits measurable proper motion ⓘ |
| hasTraditionalName | Acamar NERFINISHED ⓘ |
| hasVariableStatus | not known as a significant variable star ⓘ |
| isBrightStar | true ⓘ |
| isCataloguedIn |
Bright Star Catalogue
NERFINISHED
ⓘ
Henry Draper Catalogue NERFINISHED ⓘ Hipparcos Catalogue NERFINISHED ⓘ |
| isPartOf | Milky Way NERFINISHED ⓘ |
| isUsedFor | stellar astrophysics studies of A-type subgiants ⓘ |
| isVisibleToNakedEye | true ⓘ |
| locatedInConstellation | Eridanus NERFINISHED ⓘ |
| luminosityClass | subgiant ⓘ |
| nameEtymology | derived from Arabic phrase meaning “the end of the river” ⓘ |
| rightAscension | 02h 47m 54s (approximate, J2000) ⓘ |
| spectralType | A4 IV ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Theta Eridani