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

<http://astrothesaurus.org/uat/1233>
  skos:prefLabel "Photometric systems"@en ;
  a skos:Concept ;
  skos:narrower <http://astrothesaurus.org/uat/1021> .

<http://astrothesaurus.org/uat/642>
  skos:prefLabel "Geneva photometry"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1021> .

<http://astrothesaurus.org/uat/1641>
  skos:prefLabel "Strömgren photometry"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1021> .

<http://astrothesaurus.org/uat/1021>
  skos:related <http://astrothesaurus.org/uat/792> ;
  skos:broader <http://astrothesaurus.org/uat/1233> ;
  skos:prefLabel "Medium band photometry"@en ;
  skos:narrower <http://astrothesaurus.org/uat/360>, <http://astrothesaurus.org/uat/642>, <http://astrothesaurus.org/uat/1641>, <http://astrothesaurus.org/uat/1785>, <http://astrothesaurus.org/uat/1771> ;
  a skos:Concept .

<http://astrothesaurus.org/uat/1771>
  skos:prefLabel "Vilnius photometry"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1021> .

<http://astrothesaurus.org/uat/792>
  skos:prefLabel "Infrared photometry"@en ;
  a skos:Concept ;
  skos:related <http://astrothesaurus.org/uat/1021> .

<http://astrothesaurus.org/uat/1785>
  skos:prefLabel "Walraven photometry"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1021> .

<http://astrothesaurus.org/uat/360>
  skos:prefLabel "DDO photometry"@en ;
  a skos:Concept ;
  skos:broader <http://astrothesaurus.org/uat/1021> .