{"@context":{"ns0":"http://www.ontology-of-units-of-measure.org/resource/om-2/","rdf":"http://www.w3.org/1999/02/22-rdf-syntax-ns#","owl":"http://www.w3.org/2002/07/owl#","rdfs":"http://www.w3.org/2000/01/rdf-schema#","metadata_def":"http://data.bioontology.org/metadata/def/","metadata":"http://data.bioontology.org/metadata/"},"@graph":[{"@id":"ns0:DistanceModulus","@type":["owl:Class","owl:NamedIndividual"],"rdfs:subClassOf":{"@id":"ns0:Distance"},"rdfs:label":{"@language":"en","@value":"distance modulus"},"rdfs:comment":{"@language":"en","@value":"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.\n "},"ns0:commonlyHasUnit":{"@id":"ns0:magnitude"},"ns0:symbol":"m-M","metadata:def/prefLabel":{"@language":"en","@value":"distance modulus"},"metadata:def/mappingLoom":"distancemodulus","metadata:def/mappingSameURI":{"@id":"ns0:DistanceModulus"},"metadata:prefixIRI":"DistanceModulus"},{"@id":"ns0:ApparentDistanceModulus","rdfs:subClassOf":{"@id":"ns0:DistanceModulus"}},{"@id":"ns0:TrueDistanceModulus","rdfs:subClassOf":{"@id":"ns0:DistanceModulus"}},{"@id":"ns0:astronomyAndAstrophysics","ns0:usesQuantity":{"@id":"ns0:DistanceModulus"}}]}