HD 216956

GPTKB entity

Statements (46)
Predicate Object
gptkbp:instanceOf gptkb:star
binary star system
gptkbp:age 440 million years
gptkbp:apparentMagnitude 1.16
gptkbp:BayerDesignation gptkb:Alpha_Piscis_Austrini
gptkbp:catalogue gptkb:Gliese_Catalogue
gptkb:Henry_Draper_Catalogue
gptkb:Hipparcos_Catalogue
gptkb:Bright_Star_Catalogue
gptkbp:constellation gptkb:Piscis_Austrinus
gptkbp:declination −29° 37′ 20″
gptkbp:diameter 1.84 solar radii
gptkbp:discoveredIn prehistory
gptkbp:distanceFromEarth 25 light-years
gptkbp:eclipticLatitude 346.2°
−21.6°
gptkbp:FlamsteedDesignation gptkb:24_Piscis_Austrini
gptkbp:galacticLatitude 31.7°
−64.9°
gptkbp:hasCompanion LP 876-10 (Fomalhaut C)
TW Piscis Austrini (Fomalhaut B)
gptkbp:hasDebrisDisk yes
gptkbp:hasExoplanet gptkb:Fomalhaut_b_(disputed)
gptkbp:hasInfraredExcess yes
https://www.w3.org/2000/01/rdf-schema#label HD 216956
gptkbp:IAUApprovedName gptkb:Fomalhaut
gptkbp:isPrimaryOf Fomalhaut system
gptkbp:luminosity 16.6 solar luminosities
gptkbp:mass 1.92 solar masses
gptkbp:metallicity −0.03 [Fe/H]
gptkbp:name gptkb:Fomalhaut
gptkbp:notableFor one of the brightest stars in the night sky
first star with directly imaged exoplanet candidate
gptkbp:otherName gptkb:Fomalhaut
gptkbp:parallax 129.81 mas
gptkbp:partOf Fomalhaut triple system
gptkbp:properMotionRA 328.95 mas/yr
−164.67 mas/yr
gptkbp:rightAscension 22h 57m 39.0s
gptkbp:rotationPeriod 93 km/s
gptkbp:spectralType A3 V
gptkbp:temperature 8,590 K
gptkbp:variableStar none
gptkbp:visibleToNakedEye yes
gptkbp:bfsParent gptkb:Fomalhaut
gptkbp:bfsLayer 7