GJ 551

URI: https://gptkb.org/entity/GJ_551

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:star
gptkbp:age	4.85 billion years
gptkbp:alsoKnownAs	gptkb:Proxima_Centauri gptkb:Alpha_Centauri_C
gptkbp:apparentMagnitude	11.13 15.60
gptkbp:catalogueNumber	gptkb:2MASS_J14294291-6240465 gptkb:Gliese_551 gptkb:HIP_70890 gptkb:LHS_49
gptkbp:constellation	gptkb:Centaurus
gptkbp:containsPlanet	gptkb:Proxima_Centauri_b gptkb:Proxima_Centauri_c gptkb:Proxima_Centauri_d
gptkbp:declination	−62° 40′ 46.141″
gptkbp:diameter	0.1542 solar radii
gptkbp:discoveredBy	gptkb:Robert_Innes
gptkbp:discoveredIn	1915
gptkbp:distanceFromEarth	4.2465 light-years
https://www.w3.org/2000/01/rdf-schema#label	GJ 551
gptkbp:isFlareStar	true
gptkbp:luminosity	0.0017 solar luminosities
gptkbp:mass	0.1221 solar masses
gptkbp:metallicity	−0.01 [Fe/H]
gptkbp:nearestStarToSun	true
gptkbp:parallax	768.066 mas
gptkbp:partOf	gptkb:Alpha_Centauri_system
gptkbp:rightAscension	14h 29m 42.9487s
gptkbp:rotationPeriod	83.5 days
gptkbp:spectralType	M5.5Ve
gptkbp:temperature	3042 K
gptkbp:bfsParent	gptkb:Proxima_Centauri
gptkbp:bfsLayer	5