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.
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 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.