About: http://webisa.webdatacommons.org/336785076

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Magnitudes The visual magnitude system is defined as follows: a star of any given magnitude is about 2.512 times as bright as is a star of the next magnitude.
http://www.w3.org/ns/prov#wasQuotedFrom	creationwiki.org