M5.5Ve (Proxima Centauri)

URI: https://gptkb.org/entity/M5.5Ve_(Proxima_Centauri)
GPTKB entity
Statements (42)
Predicate Object
gptkbp:instanceOf gptkb:star
white dwarf
gptkbp:age 4.85 billion years
gptkbp:apparentMagnitude 11.13
15.60
gptkbp:catalogueNumber gptkb:GJ_551
gptkb:HIP_70890
gptkb:LHS_49
gptkb:V645_Centauri
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
gptkbp:emits gptkb:X-rays
gptkb:radio_waves
optical light
gptkbp:flareStar true
gptkbp:hostedBy gptkb:Proxima_Centauri_planetary_system
https://www.w3.org/2000/01/rdf-schema#label M5.5Ve (Proxima Centauri)
gptkbp:luminosity 0.0017 solar luminosities
gptkbp:mass 0.1221 solar masses
gptkbp:metallicity [Fe/H] = -0.01
gptkbp:nearestStarToSun true
gptkbp:otherName gptkb:Proxima_Centauri
gptkbp:parallax 768.0665 mas
gptkbp:partOf gptkb:Alpha_Centauri_triple_star_system
gptkbp:properMotionRA +765.54 mas/yr
-3775.64 mas/yr
gptkbp:radialVelocity -22.2 km/s
gptkbp:rightAscension 14h 29m 42.9487s
gptkbp:rotationPeriod 83.5 days
gptkbp:solarNeighborhood true
gptkbp:spectralType M5.5Ve
gptkbp:temperature 3042 K
gptkbp:variableType gptkb:UV_Ceti_type
gptkbp:bfsParent gptkb:Centauri
gptkbp:bfsLayer 5