Gamma Eridani

E562785

Gamma Eridani, traditionally known as Zaurak, is a red giant star in the constellation Eridanus visible to the naked eye.

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Statements (47)

Predicate Object
instanceOf red giant star
star
absoluteMagnitudeV −1.23
ageGyr about 2.0
apparentMagnitudeV 2.95
approvedNameAuthority International Astronomical Union NERFINISHED
approvedNameYear 2016
bayerDesignation γ Eridani NERFINISHED
belongsToAsterism Eridanus constellation pattern
catalog Bright Star Catalogue NERFINISHED
Henry Draper Catalogue NERFINISHED
Hipparcos Catalogue NERFINISHED
colorIndexB−V +1.60
colorIndexU−B +1.86
constellation Eridanus NERFINISHED
declination −13° 30′ 30″
distanceFromEarthLightYears approximately 245
effectiveTemperatureKelvin about 3800
equatorialCoordinateEpoch J2000
evolutionaryStage asymptotic giant branch star
flamsteedDesignation 10 Eridani NERFINISHED
galacticPopulation thin disk
hasCompanions no known stellar companions
hasIAUApprovedName Zaurak NERFINISHED
hasTraditionalName Zaurak NERFINISHED
hdDesignation HD 219215 NERFINISHED
hemisphereVisibility Southern Hemisphere NERFINISHED
part of Northern Hemisphere
hipparcosDesignation HIP 11407 NERFINISHED
hrDesignation HR 1084 NERFINISHED
luminositySolar about 860
massSolar about 2.5
metallicityFeH approximately 0.0
nameEtymology Arabic for “boat” or “small boat”
observability best seen from southern and equatorial latitudes
parallaxErrorMilliarcseconds 0.18
parallaxMilliarcseconds 13.28
properMotionDecmasPerYear −188.94
properMotionRAmasPerYear +76.75
radialVelocityKmPerSec +13
radiusSolar about 75
rightAscension 03h 58m 01s
simbadIdentifier gam Eri NERFINISHED
spectralClass M1III
traditionalName Zaurak NERFINISHED
variableStarType suspected variable
visibleTo naked eye

Referenced by (1)

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

Eridanus BayerDesignation Gamma Eridani
subject surface form: Zaurak