Gomeisa

E572589
Gamma Cassiopeiae variable main-sequence star star

Gomeisa is the second-brightest star in the constellation Canis Minor, known as a hot, blue-white main-sequence star visible to the naked eye.

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Statements (40)

Predicate Object
instanceOf Gamma Cassiopeiae variable ⓘ
main-sequence star ⓘ
star ⓘ
apparentMagnitudeV 2.89 ⓘ
BayerDesignation β Canis Minoris NERFINISHED ⓘ
belongsToAsterism Canis Minor NERFINISHED ⓘ
color blue-white ⓘ
constellation Canis Minor NERFINISHED ⓘ
declination +08° 17′ 21″ ⓘ
distanceFromEarth_ly ~160 ⓘ
distanceFromEarth_pc ~49 ⓘ
effectiveTemperature_K ~12000 ⓘ
equatorialCoordinateSystem ICRS NERFINISHED ⓘ
FlamsteedDesignation 3 Canis Minoris NERFINISHED ⓘ
galacticLatitude_deg +11.3 ⓘ
galacticLongitude_deg 214.7 ⓘ
galacticPopulation thin disk ⓘ
hasCircumstellarDisk true ⓘ
hasEmissionLines true ⓘ
hasVariabilityType Gamma Cassiopeiae-type emission-line variability ⓘ
hemisphereVisibility Northern Hemisphere NERFINISHED ⓘ
isHotStar true ⓘ
isMainSequence true ⓘ
isPrimaryComponentOf Beta Canis Minoris system NERFINISHED ⓘ
isSecondBrightestStarIn Canis Minor NERFINISHED ⓘ
luminosity_solar ~250 ⓘ
luminosityClass V ⓘ
mass_solar ~3 ⓘ
otherName Beta Canis Minoris NERFINISHED ⓘ
parallax_mas ~20.4 ⓘ
properMotionDec_mas_yr −13 ⓘ
properMotionRA_mas_yr −24 ⓘ
radius_solar ~3 ⓘ
rightAscension 07h 27m 09s ⓘ
rotationalVelocity_km_s ~210 ⓘ
spectralClass B8 ⓘ
spectralType B8Ve ⓘ
traditionalNameMeaning the bleary-eyed (or little bleary-eyed one) ⓘ
traditionalNameOrigin Arabic ⓘ
visibleToNakedEye true ⓘ

Referenced by (2)

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

Canis Minor → containsStar → Gomeisa ⓘ
Canis Minor → secondBrightestStar → Gomeisa ⓘ