Statements (21)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:astronomy
|
gptkbp:defines |
two stars that are close together in the sky
|
gptkbp:example |
Alpha Centauri A and B
Sirius A and B Castor A and B Mizar A and B |
gptkbp:historical_significance |
used for distance measurement
used for mass determination used for orbital dynamics studies |
https://www.w3.org/2000/01/rdf-schema#label |
double stars
|
gptkbp:importance |
stellar evolution studies
|
gptkbp:research |
gptkb:spectroscopy
astrometry photometry |
gptkbp:type_of |
binary stars
optical doubles |
gptkbp:bfsParent |
gptkb:Lyra
gptkb:Herschel gptkb:William_Herschel gptkb:Omicron_Herculis |
gptkbp:bfsLayer |
5
|