Alpha Canis Majoris

E715697

Alpha Canis Majoris is the brightest star in the night sky, located in the constellation Canis Major and commonly known as Sirius.

All labels observed (3)

Label Occurrences
Alpha Canis Majoris canonical 9
α Canis Majoris 7
9 Canis Majoris 1

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf star ⓘ
age_billionYears about 0.24 ⓘ
alsoKnownAs Alpha CMa ⓘ
linked to: α CMa

Dog Star ⓘ
Sirius ⓘ
Sirius A and Sirius B ⓘ
linked to: Sirius

α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
apparentMagnitude −1.46 ⓘ
belongsTo Local Bubble ⓘ
binaryEccentricity about 0.59 ⓘ
binaryOrbitalPeriod_years about 50.1 ⓘ
binarySemiMajorAxis_AU about 20 ⓘ
colorIndex_BV about 0.00 ⓘ
culturalAssociation Canicula in Latin tradition ⓘ
Dog Star in Greco-Roman tradition ⓘ
Tishtrya in ancient Persian astronomy ⓘ
dog of Orion ⓘ
declination_J2000 −16° 42′ 58″ ⓘ
distanceFromEarth_ly about 8.6 ⓘ
distanceFromEarth_pc about 2.64 ⓘ
effectiveTemperature_K about 9940 ⓘ
galacticPopulation thin disk ⓘ
hasBayerDesignation α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
hasCompanion Sirius B ⓘ
hasCompanionType white dwarf (Sirius B) ⓘ
hasFlamsteedDesignation 9 Canis Majoris ⓘ
hasGlieseNumber Gliese 244 ⓘ
hasHDNumber HD 48915 ⓘ
hasHIPNumber HIP 32349 ⓘ
hasHRNumber HR 2491 ⓘ
hasTraditionalName Sirius ⓘ
heliacalRisingAssociatedWith ancient Egyptian calendar ⓘ
is brightest star in the night sky ⓘ
isPartOf Milky Way ⓘ
locatedInConstellation Canis Major ⓘ
luminosity_solar about 25 ⓘ
mass_solar about 2.0 ⓘ
memberOf Sirius supercluster (proposed) ⓘ
metallicity_FeH about +0.5 ⓘ
parallax_mas about 379.21 ⓘ
properMotion_Dec_masPerYear −1223.08 ⓘ
properMotion_RA_masPerYear −546.01 ⓘ
radialVelocity_kmPerSec about −5.5 ⓘ
radius_solar about 1.7 ⓘ
rightAscension_J2000 06h 45m 08.9s ⓘ
SiriusB_effectiveTemperature_K about 25200 ⓘ
SiriusB_mass_solar about 1.0 ⓘ
SiriusB_spectralType DA2 ⓘ
spectralType A1V ⓘ
visibleFrom both Northern and Southern Hemispheres ⓘ

How these facts were elicited

Referenced by (17)

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

Sirius → alsoKnownAs → Alpha Canis Majoris ⓘ
Sirius → hasBayerDesignation → α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
Sirius → hasFlamsteedDesignation → 9 Canis Majoris ⓘ
linked to: Alpha Canis Majoris
Dog Star → alsoKnownAs → Alpha Canis Majoris ⓘ
Dog Star → alsoKnownAs → α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
Dog Star → BayerDesignation → α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
Canicula → alsoKnownAs → Alpha Canis Majoris ⓘ
HR 2491 → alsoKnownAs → Alpha Canis Majoris ⓘ
HD 48915 → alsoKnownAs → Alpha Canis Majoris ⓘ
HD 48915 → alsoKnownAs → α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
HIP 32349 → alsoKnownAs → Alpha Canis Majoris ⓘ
HIP 32349 → hasBayerDesignation → Alpha Canis Majoris ⓘ
Gliese 244 → alsoKnownAs → Alpha Canis Majoris ⓘ
Gliese 244 → alsoKnownAs → α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
Gliese 244 → BayerDesignation → Alpha Canis Majoris ⓘ
Alpha Canis Majoris → alsoKnownAs → α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
Alpha Canis Majoris → hasBayerDesignation → α Canis Majoris ⓘ
linked to: Alpha Canis Majoris