Fomalhaut

E872564

Fomalhaut is a bright, nearby A-type main-sequence star surrounded by a prominent debris disk and located in the constellation Piscis Austrinus.

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Statements (47)

Predicate Object
instanceOf A-type star
main-sequence star
star
absoluteMagnitude 1.72
age_Myr 440
apparentMagnitude 1.16
bayerDesignation Alpha Piscis Austrini NERFINISHED
belongsTo Milky Way NERFINISHED
companionDesignation Fomalhaut B NERFINISHED
Fomalhaut C NERFINISHED
constellation Piscis Austrinus NERFINISHED
culturalName Southern Fish NERFINISHED
debrisDiskInclination_deg 66
debrisDiskRadius_AU 140
debrisDiskType circumstellar debris disk
declination −29° 37′ 20″
distanceFromEarth_ly 25
distanceFromEarth_pc 7.7
effectiveTemperature_K 8590
exoplanetCandidate Fomalhaut b NERFINISHED
flamsteedDesignation 24 Piscis Austrini NERFINISHED
galacticPopulation thin disk
hasDebrisDisk true
hasExoplanetCandidate true
hasInfraredExcess true
hasProperMotion true
hasStellarCompanion LP 876-10 NERFINISHED
TW Piscis Austrini NERFINISHED
isBrightestStarIn Piscis Austrinus NERFINISHED
isOneOf nearest bright stars
isPartOf Fomalhaut triple star system
isVisibleToNakedEye true
luminosity_solar 16
mass_solar 1.9
metallicity_Fe_H −0.03
nameOrigin Arabic phrase fam al-ḥūt meaning mouth of the fish
notableFor nearby bright A-type main-sequence star
prominent debris disk
otherDesignation HD 216956 NERFINISHED
HIP 113368 NERFINISHED
HR 8728 NERFINISHED
properMotionDec_mas_per_yr −164.67
properMotionRA_mas_per_yr 329.95
radialVelocity_km_s 6.5
radius_solar 1.8
rightAscension 22h 57m 39.0s
spectralType A3 V

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.