Epsilon Eridani

E32390

K-type main-sequence star main-sequence star star

Epsilon Eridani is a nearby young K-type main-sequence star in the constellation Eridanus, notable for its debris disk and status as a prominent target in exoplanet and SETI searches.

Jump to: Surface forms Statements Referenced by

Observed surface forms (5)

Surface form	Occurrences
Eps Eri	1
Gliese 144	1
HD 22049	1
HIP 16537	1
ε Eridani	1

Statements (53)

Predicate	Object
instanceOf	K-type main-sequence star ⓘ main-sequence star ⓘ star ⓘ
age_Gyr	about 0.4 to 1.0 ⓘ
apparentMagnitudeV	3.73 ⓘ
catalogDesignation	Epsilon Eridani self-linksurface differs ⓘ surface form: Eps Eri Epsilon Eridani self-linksurface differs ⓘ surface form: Gliese 144 Epsilon Eridani self-linksurface differs ⓘ surface form: HD 22049 Epsilon Eridani self-linksurface differs ⓘ surface form: HIP 16537 HR 1084 ⓘ Epsilon Eridani self-linksurface differs ⓘ surface form: ε Eridani
chromosphericActivity	high ⓘ
colorIndexB−V	0.88 ⓘ
constellation	Eridanus ⓘ
debrisDiskStructure	inner asteroid-belt-like ring ⓘ outer Kuiper-belt-like ring ⓘ
declination	−09° 27′ 30″ ⓘ
distanceFromEarth_ly	about 10.5 ⓘ
distanceFromEarth_pc	about 3.2 ⓘ
effectiveTemperature_K	about 5100 ⓘ
EpsilonEridani_b_detectionMethod	radial velocity ⓘ
EpsilonEridani_b_minimumMass_Jupiter	about 0.8 to 1.5 ⓘ
EpsilonEridani_b_orbitalPeriod_yr	about 7 ⓘ
EpsilonEridani_b_semiMajorAxis_AU	about 3.4 ⓘ
EpsilonEridani_b_status	disputed ⓘ
hasDebrisDisk	true ⓘ
hasExoplanetCandidate	Epsilon Eridani b ⓘ
hasPlanetarySystem	candidate ⓘ
hostStarForFictionalPlanet	Epsilon Eridani system in science fiction ⓘ
infraredExcess	detected ⓘ
isExoplanetSearchTarget	yes ⓘ
isSETITarget	yes ⓘ
luminosity_solar	about 0.34 ⓘ
magneticActivityCycle	present ⓘ
mass_solar	about 0.8 ⓘ
metallicity_Fe_H	sub-solar ⓘ
nearbyToSun	yes ⓘ
observedBy	Atacama Large Millimeter/submillimeter Array ⓘ surface form: ALMA Hubble Space Telescope ⓘ Spitzer Space Telescope ⓘ
parallax_mas	about 310 ⓘ
properMotionDec_mas_yr	about 20 ⓘ
properMotionRA_mas_yr	about −975 ⓘ
radialVelocity_km_s	about 16.4 ⓘ
radius_solar	about 0.74 ⓘ
rankByDistanceFromSun	among nearest Sun-like stars ⓘ
rightAscension	03h 32m 55s ⓘ
rotationPeriod_days	about 11.2 ⓘ
solarAnalog	young solar analog ⓘ
spectralType	K2V ⓘ
variableStarType	BY Draconis-type variability ⓘ
visibilityFromEarth	visible to naked eye ⓘ
XrayEmission	strong ⓘ

Referenced by (6)

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

Epsilon Eridani → catalogDesignation → Epsilon Eridani self-linksurface differs ⓘ

this entity surface form: ε Eridani

Epsilon Eridani → catalogDesignation → Epsilon Eridani self-linksurface differs ⓘ

this entity surface form: Eps Eri

Epsilon Eridani → catalogDesignation → Epsilon Eridani self-linksurface differs ⓘ

this entity surface form: HD 22049

Epsilon Eridani → catalogDesignation → Epsilon Eridani self-linksurface differs ⓘ

this entity surface form: Gliese 144

Epsilon Eridani → catalogDesignation → Epsilon Eridani self-linksurface differs ⓘ

this entity surface form: HIP 16537

Project Ozma → targetStar → Epsilon Eridani ⓘ