HD 22049
E679757
HD 22049, better known as Epsilon Eridani, is a nearby young K-type main-sequence star notable for its prominent debris disk and at least one confirmed exoplanet.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
K-type star
ⓘ
debris-disk star ⓘ main-sequence star ⓘ star with exoplanets ⓘ |
| age_Gyr |
about 0.4
ⓘ
less than 1 ⓘ |
| alsoKnownAs |
BD−09 697
NERFINISHED
ⓘ
Epsilon Eridani NERFINISHED ⓘ GJ 144 NERFINISHED ⓘ Gliese 144 NERFINISHED ⓘ HR 1084 NERFINISHED ⓘ ε Eridani NERFINISHED ⓘ |
| apparentMagnitudeV | 3.73 ⓘ |
| catalog |
Bright Star Catalogue
NERFINISHED
ⓘ
Gliese Catalogue of Nearby Stars NERFINISHED ⓘ Henry Draper Catalogue NERFINISHED ⓘ |
| colorIndexB−V | 0.88 ⓘ |
| constellation | Eridanus NERFINISHED ⓘ |
| debrisDiskStructure |
inner warm belt
ⓘ
outer cold belt ⓘ |
| distanceFromEarth_ly | about 10.5 ⓘ |
| distanceFromEarth_pc | about 3.2 ⓘ |
| effectiveTemperature_K | about 5100 ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasChromosphericActivity | true ⓘ |
| hasDebrisDisk | true ⓘ |
| hasExoplanet | Epsilon Eridani b NERFINISHED ⓘ |
| hasStrongMagneticActivity | true ⓘ |
| IAUName | Epsilon Eridani NERFINISHED ⓘ |
| infraredExcess | detected ⓘ |
| luminosity_solarLuminosity | about 0.34 ⓘ |
| mass_solarMass | about 0.82 ⓘ |
| metallicity_[Fe/H] | about −0.1 ⓘ |
| nearestBrightStarsRank | among nearest Sun-like stars ⓘ |
| parallax_mas | about 310 ⓘ |
| planetarySystem | Epsilon Eridani system NERFINISHED ⓘ |
| properMotion_Dec_masPerYr | about 20 ⓘ |
| properMotion_RA_masPerYr | about −975 ⓘ |
| radialVelocity_kmPerS | about 16.4 ⓘ |
| radius_solarRadius | about 0.74 ⓘ |
| rotationPeriod_days | about 11.2 ⓘ |
| solarNeighborhoodMember | true ⓘ |
| spectralType | K2V ⓘ |
| variableType | BY Draconis-type activity (rotational modulation) ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.