Alpha Piscis Austrini
E872567
Alpha Piscis Austrini, better known as Fomalhaut, is a bright A-type main-sequence star in the constellation Piscis Austrinus, notable for its prominent debris disk and nearby exoplanetary system.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
A-type star
ⓘ
main-sequence star ⓘ star ⓘ |
| age_Myr | about 440 ⓘ |
| alsoKnownAs |
Alpha PsA
NERFINISHED
ⓘ
Fomalhaut NERFINISHED ⓘ |
| apparentMagnitudeV | 1.16 ⓘ |
| BayerDesignation | Alpha Piscis Austrini NERFINISHED ⓘ |
| colorIndexBminusV | 0.09 ⓘ |
| constellation | Piscis Austrinus NERFINISHED ⓘ |
| debrisDiskType | circumstellar debris disk ⓘ |
| declination | −29° 37′ 20″ ⓘ |
| distanceFromEarth_ly | about 25 light-years ⓘ |
| distanceFromEarth_pc | about 7.7 parsecs ⓘ |
| dustBeltRadius_AU | about 140 ⓘ |
| effectiveTemperature_K | about 8500 ⓘ |
| exoplanetDetectionMethod | direct imaging ⓘ |
| FlamsteedDesignation | 24 Piscis Austrini NERFINISHED ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasDebrisDisk | true ⓘ |
| hasExoplanetarySystem | true ⓘ |
| hasExoplanetCandidate |
Fomalhaut b
NERFINISHED
ⓘ
Fomalhaut c NERFINISHED ⓘ Fomalhaut d NERFINISHED ⓘ |
| hasRingLikeDustBelt | true ⓘ |
| hasStellarCompanion |
LP 876-10
NERFINISHED
ⓘ
TW Piscis Austrini NERFINISHED ⓘ |
| HDDesignation | HD 216956 NERFINISHED ⓘ |
| HIPDesignation | HIP 113368 NERFINISHED ⓘ |
| hostGalaxy | Milky Way NERFINISHED ⓘ |
| HRDesignation | HR 8728 NERFINISHED ⓘ |
| infraredExcess | present ⓘ |
| isBrightestStarOfConstellation | true ⓘ |
| isNearbyStar | true ⓘ |
| isPartOf | Fomalhaut system NERFINISHED ⓘ |
| isVisibleToNakedEye | true ⓘ |
| luminosity_solar | about 16 ⓘ |
| mass_solar | about 1.9 ⓘ |
| metallicity_Fe_H | slightly sub-solar ⓘ |
| parallax_mas | about 129 ⓘ |
| properMotionDec_mas_yr | about −165 ⓘ |
| properMotionRA_mas_yr | about 329 ⓘ |
| radialVelocity_km_s | about 6 ⓘ |
| radius_solar | about 1.8 ⓘ |
| rightAscension | 22h 57m 39.0s ⓘ |
| rotationalVelocity_km_s | about 93 ⓘ |
| spectralType | A3 V ⓘ |
| systemType | triple star system ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.