<?xml version="1.0" encoding="UTF-8"?> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:ns0="http://www.ontology-of-units-of-measure.org/resource/om-2/" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:metadata_def="http://data.bioontology.org/metadata/def/" xmlns:metadata="http://data.bioontology.org/metadata/"> <owl:Class rdf:about="http://www.ontology-of-units-of-measure.org/resource/om-2/DistanceModulus"> <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#NamedIndividual"/> <rdfs:subClassOf rdf:resource="http://www.ontology-of-units-of-measure.org/resource/om-2/Distance"/> <rdfs:label xml:lang="en">distance modulus</rdfs:label> <rdfs:comment xml:lang="en">The difference between the apparent magnitude (m) of an astronomical object, such as a star, and its absolute magnitude (M), used as a distance measurement. Distances can be expressed in distance modulii as $$m-M = 5\log d + 10 = 10-5 log \varpi$$ where \(d\) is the distance in kiloparsec and \(\varpi\) is the parallax in milliarcseconds. </rdfs:comment> <ns0:commonlyHasUnit rdf:resource="http://www.ontology-of-units-of-measure.org/resource/om-2/magnitude"/> <ns0:symbol>m-M</ns0:symbol> <metadata_def:prefLabel xml:lang="en">distance modulus</metadata_def:prefLabel> <metadata_def:mappingLoom>distancemodulus</metadata_def:mappingLoom> <metadata_def:mappingSameURI rdf:resource="http://www.ontology-of-units-of-measure.org/resource/om-2/DistanceModulus"/> <metadata:prefixIRI>DistanceModulus</metadata:prefixIRI> </owl:Class> <rdf:Description rdf:about="http://www.ontology-of-units-of-measure.org/resource/om-2/ApparentDistanceModulus"> <rdfs:subClassOf> <rdf:Description rdf:about="http://www.ontology-of-units-of-measure.org/resource/om-2/DistanceModulus"> <metadata_def:mappingSameURI rdf:resource="http://www.ontology-of-units-of-measure.org/resource/om-2/DistanceModulus"/> </rdf:Description> </rdfs:subClassOf> </rdf:Description> <rdf:Description rdf:about="http://www.ontology-of-units-of-measure.org/resource/om-2/TrueDistanceModulus"> <rdfs:subClassOf rdf:resource="http://www.ontology-of-units-of-measure.org/resource/om-2/DistanceModulus"/> </rdf:Description> <rdf:Description rdf:about="http://www.ontology-of-units-of-measure.org/resource/om-2/astronomyAndAstrophysics"> <ns0:usesQuantity rdf:resource="http://www.ontology-of-units-of-measure.org/resource/om-2/DistanceModulus"/> </rdf:Description> </rdf:RDF>
<?xml version="1.0" encoding="UTF-8"?>
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    <rdfs:label xml:lang="en">distance modulus</rdfs:label>
    <rdfs:comment xml:lang="en">The difference between the apparent magnitude (m) of an astronomical object, such as a star, and its absolute magnitude (M), used as a distance measurement. Distances can be expressed in distance modulii as $$m-M = 5\log d + 10 = 10-5 log \varpi$$ where \(d\) is the distance in kiloparsec and \(\varpi\) is the parallax in milliarcseconds.
    </rdfs:comment>
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  <rdf:Description rdf:about="http://www.ontology-of-units-of-measure.org/resource/om-2/TrueDistanceModulus">
    <rdfs:subClassOf rdf:resource="http://www.ontology-of-units-of-measure.org/resource/om-2/DistanceModulus"/>
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