About: http://webisa.webdatacommons.org/166872209

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	The B - V color in the HR diagram above stands for the ratio of brightness in the yellow to that in the blue, in units such that 0 is a star that is very bright in the blue and 2 is one that is very faint.
http://www.w3.org/ns/prov#wasQuotedFrom	arizona.edu