Properties (53)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
star
|
| gptkbp:category |
a main-sequence star
a variable star |
| gptkbp:hasDepartment |
Alpha Cephei B
|
| gptkbp:hasDescription |
gptkb:α_Cephei
|
| gptkbp:hasFacilities |
about 2.5 solar masses
|
| gptkbp:hasFeature |
0.072 arcseconds
|
| gptkbp:hasGoals |
about 1,000 years
about 2.5 solar radii |
| gptkbp:hasHistoricalSignificance |
HIP 109387
|
| gptkbp:hasHistory |
HD 209100
|
| gptkbp:hasInfluenceOn |
24 Cephei
|
| gptkbp:hasPersonnel |
about 1.5 billion years
|
| gptkbp:hasProductLine |
-0.020 arcseconds/year
-0.045 arcseconds/year |
| gptkbp:hasRecognition |
3.63
about 2.5 magnitudes |
| gptkbp:hasRelatedPatent |
F5 IV
|
| gptkbp:hasTechnology |
about 6,500 K
|
| https://www.w3.org/2000/01/rdf-schema#label |
Alpha Cephei
|
| gptkbp:isA |
subgiant star
|
| gptkbp:isAccessibleBy |
gptkb:Earth
true |
| gptkbp:isAssociatedWith |
various myths and legends
the_Cepheus_constellation |
| gptkbp:isFiledIn |
0.36
|
| gptkbp:isKnownFor |
its brightness in the night sky
being a binary star system |
| gptkbp:isLocatedIn |
45 light years from Earth
|
| gptkbp:isMaintainedBy |
its spectral characteristics
|
| gptkbp:isNotedFor |
its historical significance
its brightness its position in the sky |
| gptkbp:isPartOf |
gptkb:Hertzsprung–Russell_diagram
Milky Way galaxy the celestial sphere the astronomical community's studies the celestial coordinate system the local stellar neighborhood constellation_Cepheus the_Milky_Way's_stellar_population |
| gptkbp:isReferencedIn |
astronomical literature
|
| gptkbp:isServedBy |
telescopes
optical astronomy |
| gptkbp:isStudiedIn |
astrophysics
stellar evolution |
| gptkbp:isUsedIn |
stellar classification
the northern celestial hemisphere navigational astronomy star identification |
| gptkbp:isUtilizedIn |
star catalogs
|
| gptkbp:length |
approximately 14 parsecs
|
| gptkbp:resolution |
about 20 times that of the Sun
|