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About: HD 130948     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingplacedbo:Locationschema:Placecelestial bodyyago:WikicatBYDraconisVariablesyago:WikicatObjectsNamedWithVariableStarDesignationsyago:WikicatStarsyago:CelestialBody109239740yago:NaturalObject100019128yago:Object100002684yago:PhysicalEntity100001930yago:WikicatG-typeMain-sequenceStarsyago:WikicatG-typeStarsyago:WikicatHenryDraperCatalogueObjectsyago:WikicatHipparcosObjectsstaryago:Star109444100yago:Thing100002452yago:Variable109468959yago:Whole100003553 New Facet based on Instances of this Class

HD 130948 or HP Boötis is a variable star with 2 brown dwarfs in the constellation Boötes. It has a stellar classification of G1V, which means it is a main sequence star with a mass and surface temperature that are similar to the Sun. The estimated age of this star is also similar to the Sun at 4.7 billion years (Gyr) old, but it has a lower proportion of elements (63%) other than hydrogen or helium. However, a separate study in 2009 gave a much younger age of 0.5 ± 0.3 Gyr and a higher metallicity that is very similar to the Sun.