Dog Star

E712260

The Dog Star is the brightest star in the night sky, located in the constellation Canis Major and forming part of the prominent winter sky in the Northern Hemisphere.

All labels observed (1)

Label Occurrences
Dog Star canonical 5

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf star ⓘ
age_years about 2.4×10^8 years ⓘ
alsoKnownAs Alpha Canis Majoris ⓘ
Canicula ⓘ
Sirius ⓘ
Sothis ⓘ
α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
apparentMagnitude −1.46 ⓘ
BayerDesignation α Canis Majoris ⓘ
linked to: Alpha Canis Majoris
brightnessRank brightest star in the night sky ⓘ
colorIndexB−V +0.00 ⓘ
constellation Canis Major ⓘ
culturalAssociation Dog Days of summer ⓘ
Egyptian calendar star Sothis ⓘ
linked to: Sothis
declination_J2000 −16° 42′ 58″ ⓘ
distanceFromEarth_ly about 8.6 light‑years ⓘ
distanceFromEarth_pc about 2.64 parsecs ⓘ
effectiveTemperature_K about 9940 K ⓘ
FlamsteedDesignation 9 Canis Majoris ⓘ
galacticLatitude_deg about −8.89 ⓘ
galacticLongitude_deg about 227.23 ⓘ
hasCompanion white dwarf Sirius B ⓘ
hemisphereVisibility visible from both Northern and Southern Hemispheres ⓘ
hostConstellationTranslation Greater Dog ⓘ
IAUName Sirius ⓘ
luminosityRelativeToSun about 25 times solar luminosity ⓘ
massRelativeToSun about 2.0 solar masses ⓘ
notableProperty exhibits significant proper motion ⓘ
one of the nearest bright stars to Earth ⓘ
observedSinceAntiquity true ⓘ
orbitalPeriod_years about 50.1 years ⓘ
parallax_mas about 379.21 milliarcseconds ⓘ
primaryComponent Sirius A ⓘ
linked to: Sirius
properMotionDec_masPerYear −1223.08 ⓘ
properMotionRA_masPerYear −546.01 ⓘ
radialVelocity_kmPerSec about −5.5 ⓘ
radiusRelativeToSun about 1.7 solar radii ⓘ
rightAscension_J2000 06h 45m 08.9s ⓘ
seasonalProminence prominent in the winter sky of the Northern Hemisphere ⓘ
secondaryComponent Sirius B ⓘ
linked to: Sirius
SiriusA_instanceOf main‑sequence star ⓘ
SiriusA_spectralType A1V ⓘ
SiriusB_instanceOf white dwarf ⓘ
SiriusB_spectralType DA2 ⓘ
spectralType A1V ⓘ
systemType binary star system ⓘ
visibleToNakedEye true ⓘ

How these facts were elicited

Referenced by (5)

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

Sirius → alsoKnownAs → Dog Star ⓘ
Canicula → alsoKnownAs → Dog Star ⓘ
HD 48915 → alsoKnownAs → Dog Star ⓘ
Gliese 244 → alsoKnownAs → Dog Star ⓘ