About: http://webisa.webdatacommons.org/203937221

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	This white dwarf has a helium atmosphere, but all kinds of other heavier elements are also seen, including oxygen, magnesium, silicon, calcium, and iron.
http://www.w3.org/ns/prov#wasQuotedFrom	professorastronomy.com