Al Tarf

E572592

Al Tarf is a bright giant star in the constellation Cancer, designated as Beta Cancri and visible to the naked eye.

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Observed surface forms (1)

Surface form Occurrences
al-tarf 1

Statements (46)

Predicate Object
instanceOf bright giant star
star
belongsToPopulation Galactic thin disk NERFINISHED
hasAge on the order of a few billion years
hasAlternativeName 4 Cnc
Beta Cnc NERFINISHED
β Cnc NERFINISHED
hasApparentMagnitude approximately 3.5
hasArabicNameMeaning the End
hasBayerDesignation β Cancri NERFINISHED
hasBDDesignation BD+09 1905 NERFINISHED
hasColorIndexBMinusV about +1.48
hasColorIndexUMinusB about +1.80
hasConstellationAbbreviation Cnc NERFINISHED
hasDeclination approximately +09° 11′
hasDesignation Beta Cancri NERFINISHED
hasDistanceFromEarth about 290 light-years
about 90 parsecs
hasEffectiveTemperature about 4000 K
hasEquinox J2000.0
hasEvolutionaryStage red giant branch
hasFlamsteedDesignation 4 Cancri NERFINISHED
hasGalacticLatitude about +22°
hasGalacticLongitude about 216°
hasHDDesignation HD 69267 NERFINISHED
hasHIPDesignation HIP 40526 NERFINISHED
hasHRDesignation HR 3249 NERFINISHED
hasLuminosity about 660 times solar luminosity
hasMass about 1.7 solar masses
hasMetallicity slightly above solar
hasParallax about 6.3 milliarcseconds
hasProperMotionDec about −11 mas/yr
hasProperMotionRA about −23 mas/yr
hasRadialVelocity about +22 km/s
hasRadius about 47 solar radii
hasRightAscension approximately 08h 16m
hasSpectralClass K-type giant
hasSpectralType K4III
hasSurfaceGravityLogG about 1.5
hasVariableStatus not known to be variable
isDominantColor orange
isOneOfBrightestStarsInConstellation Cancer NERFINISHED
locatedInConstellation Cancer NERFINISHED
locatedInGalaxy Milky Way NERFINISHED
orbits Milky Way center NERFINISHED
visibleTo naked eye

Referenced by (2)

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

Altarf hasArabicNameEtymology Al Tarf
this entity surface form: al-tarf
Beta Cancri otherName Al Tarf