Gliese 244

E712265

Gliese 244 is the Gliese Catalogue designation for Sirius, the brightest star in the night sky located in the constellation Canis Major.

All labels observed (1)

Label Occurrences
Gliese 244 canonical 1

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf binary star system
star system
age_billionYears about 0.24
alsoKnownAs Alpha Canis Majoris NERFINISHED
Dog Star NERFINISHED
Sirius NERFINISHED
Sothis NERFINISHED
α Canis Majoris NERFINISHED
apparentMagnitudeV −1.46
BayerDesignation Alpha Canis Majoris NERFINISHED
belongsToCatalog Gliese Catalogue of Nearby Stars NERFINISHED
Henry Draper Catalogue NERFINISHED
Hipparcos Catalogue NERFINISHED
brightestStarIn night sky
catalogDesignation Gliese 244 NERFINISHED
component Sirius A NERFINISHED
Sirius B NERFINISHED
constellation Canis Major NERFINISHED
culturalSignificance important in ancient Egyptian astronomy
used for navigation
declination −16° 42′ 58″
distanceFromEarth_ly about 8.6
distanceFromEarth_pc about 2.64
effectiveTemperaturePrimary_K about 9900
FlamsteedDesignation 9 Canis Majoris NERFINISHED
galacticPopulation thin disk
hasCompanionType white dwarf
HDDesignation HD 48915 NERFINISHED
HIPDesignation HIP 32349 NERFINISHED
luminosityPrimary_solarLuminosity about 25
massOfPrimary_solarMass about 2.0
massOfSecondary_solarMass about 1.0
metallicity_FeH about +0.5
nearestBrightStarToSun true
orbitalEccentricity about 0.59
orbitalPeriod_years about 50.1
parallax_mas about 379.21
properMotionDec_masPerYear about −1223.0
properMotionRA_masPerYear about −546.0
radialVelocity_kmPerSec about −5.5
radiusOfPrimary_solarRadius about 1.7
rightAscension 06h 45m 08.9s
separationSemiMajorAxis_AU about 20
spectralTypePrimary A1V
spectralTypeSecondary DA2
visibleFrom both hemispheres

How these facts were elicited

Referenced by (1)

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

Sirius hasGlieseDesignation Gliese 244