Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
astronomer
|
| gptkbp:canBe |
optical double
physical double |
| gptkbp:cataloguedIn |
gptkb:Washington_Double_Star_Catalog
|
| gptkbp:consistsOf |
two stars
|
| gptkbp:discoveredBy |
gptkb:William_Herschel
|
| gptkbp:example |
gptkb:Sirius
gptkb:Mizar_and_Alcor gptkb:Albireo |
| gptkbp:hasType |
binary star system
astrometric binary visual binary |
| https://www.w3.org/2000/01/rdf-schema#label |
Stelle doppie
|
| gptkbp:importantFor |
studying stellar evolution
measuring stellar masses |
| gptkbp:mayInclude |
common proper motion
different luminosities different spectral types |
| gptkbp:studiedIn |
gptkb:astronomy
|
| gptkbp:subclassOf |
stellar system
|
| gptkbp:bfsParent |
gptkb:Margherita_Hack
|
| gptkbp:bfsLayer |
7
|