@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://astrothesaurus.org/uat/291>
  skos:prefLabel "Companion stars"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1691> .

<http://astrothesaurus.org/uat/1691>
  skos:broader <http://astrothesaurus.org/uat/291> ;
  skos:prefLabel "Tertiary stars"@en ;
  a skos:Concept .