HIP 32349

E712264

HIP 32349 is the Hipparcos catalog designation for Sirius, the brightest star in the night sky located in the constellation Canis Major.

All labels observed (1)

Label Occurrences
HIP 32349 canonical 4

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf Hipparcos catalog object
star
absoluteMagnitudeV 1.42
age about 242 million years
alsoKnownAs Alpha Canis Majoris
Sirius
apparentMagnitude -1.46
belongsToAsterism Winter Hexagon
Winter Triangle
catalog Hipparcos
linked to: Hipparcos satellite
colorIndexBMinusV 0.00
constellation Canis Major
declinationJ2000 -16° 42′ 58.02″
distanceFromEarth about 2.64 parsecs
about 8.6 light-years
effectiveTemperature about 9940 K
equatorialCoordinateSystem ICRS
galacticLatitude -8.89°
galacticLongitude 227.23°
galacticPopulation thin disk
hasBayerDesignation Alpha Canis Majoris
hasCompanion Sirius B
hasFlamsteedDesignation 9 Canis Majoris
hasGlieseNumber Gliese 244
hasHenryDraperNumber HD 48915
hasHipparcosNumber 32349
hasHRNumber HR 2491
hasVariableType none (essentially constant)
hasWhiteDwarfCompanion Sirius B
heliocentricRadialVelocity -5.5 km/s
isBrightestStarInNightSky true
isBrightestStarOfConstellation Canis Major
isPartOf Milky Way
isPrimaryOfSystem Sirius binary system
isStandardStar yes
luminosity about 25.4 times solar luminosity
mass about 2.02 solar masses
metallicityFeH about +0.4
observedBy Hipparcos satellite
parallax 379.21 mas
properMotionDec -1223.08 mas/yr
properMotionRA -546.01 mas/yr
radialVelocity -5.5 km/s
radius about 1.71 solar radii
rightAscensionJ2000 06h 45m 08.917s
rotationVelocityProjected about 16 km/s
spectralType A1V
systemType binary star system
visibleFromEarth naked eye

How these facts were elicited

Referenced by (4)

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

Sirius hasHIPDesignation HIP 32349
HD 48915 catalogDesignation HIP 32349
Gliese 244 HIPDesignation HIP 32349