Gliese 581

URI: https://gptkb.org/entity/Gliese_581

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:star white dwarf
gptkbp:apparentMagnitude	10.56
gptkbp:catalogueNumber	gptkb:2MASS_J15192798-0743200 gptkb:BD-07_4003 gptkb:GJ_581 gptkb:HIP_74995 gptkb:LHS_394
gptkbp:containsPlanet	true
gptkbp:declination	−07° 43′ 20.207″
gptkbp:diameter	0.299 solar radii
gptkbp:discoveredBy	gptkb:Wilhelm_Gliese
gptkbp:discoveredIn	1957
gptkbp:distanceFromEarth	20.3 light-years
gptkbp:epoch	gptkb:J2000
gptkbp:hasExoplanet	gptkb:Gliese_581g gptkb:Gliese_581b gptkb:Gliese_581d gptkb:Gliese_581e gptkb:Gliese_581f gptkb:Gliese_581c
https://www.w3.org/2000/01/rdf-schema#label	Gliese 581
gptkbp:locatedIn	gptkb:Libra_constellation
gptkbp:luminosity	0.013 solar luminosities
gptkbp:mass	0.31 solar masses
gptkbp:metallicity	[Fe/H] = -0.13
gptkbp:parallax	157.1751 mas
gptkbp:partOf	gptkb:Milky_Way
gptkbp:properMotionRA	-1223.957 mas/yr -1972.051 mas/yr
gptkbp:radialVelocity	-9.5 km/s
gptkbp:rightAscension	15h 19m 26.8252s
gptkbp:spectralType	M3V
gptkbp:bfsParent	gptkb:Gliese_581c gptkb:Gliese_Catalogue
gptkbp:bfsLayer	6