HD 48915
E712263
HD 48915 is the Henry Draper Catalogue designation for Sirius, the brightest star in the night sky located in the constellation Canis Major.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | star ⓘ |
| absoluteMagnitudeV | 1.43 ⓘ |
| age | about 200 million years ⓘ |
| alsoKnownAs |
Alpha Canis Majoris
NERFINISHED
ⓘ
Canicula NERFINISHED ⓘ Dog Star NERFINISHED ⓘ Sirius NERFINISHED ⓘ α Canis Majoris NERFINISHED ⓘ |
| apparentMagnitudeV | −1.46 ⓘ |
| belongsToAsterism | Winter Triangle NERFINISHED ⓘ |
| catalogDesignation |
BD−16 1591
NERFINISHED
ⓘ
Gliese 244 NERFINISHED ⓘ HD 48915 NERFINISHED ⓘ HIP 32349 NERFINISHED ⓘ HR 2491 NERFINISHED ⓘ |
| colorIndexB−V | 0.00 ⓘ |
| companionType | white dwarf ⓘ |
| declination | −16° 42′ 58.02″ ⓘ |
| distanceFromEarth | about 8.6 light-years ⓘ |
| distanceFromSun | about 2.64 parsecs ⓘ |
| effectiveTemperature | about 9940 K ⓘ |
| equatorialCoordinateSystem | ICRS NERFINISHED ⓘ |
| galacticLatitude | −8.89° ⓘ |
| galacticLongitude | 227.23° ⓘ |
| hasCompanion | Sirius B NERFINISHED ⓘ |
| hasCulturalSignificanceIn |
Greek astronomy
ⓘ
Polynesian navigation NERFINISHED ⓘ ancient Egyptian astronomy ⓘ |
| hemisphereVisibility | both hemispheres ⓘ |
| isBrightestStarIn |
constellation Canis Major
NERFINISHED
ⓘ
night sky ⓘ |
| isNearestATypeStarToSun | true ⓘ |
| isStandardStarFor | photometric calibration ⓘ |
| locatedInConstellation | Canis Major NERFINISHED ⓘ |
| luminosity | about 25 solar luminosities ⓘ |
| mass | about 2.0 solar masses ⓘ |
| metallicity[Fe/H] | about +0.4 ⓘ |
| orbitalPeriodWithCompanion | about 50.1 years ⓘ |
| parallax | 379.21 mas ⓘ |
| properMotionDec | −1223.08 mas/yr ⓘ |
| properMotionRA | −546.01 mas/yr ⓘ |
| radialVelocity | −5.5 km/s ⓘ |
| radius | about 1.7 solar radii ⓘ |
| rightAscension | 06h 45m 08.917s ⓘ |
| spectralType | A1V ⓘ |
| systemType | binary star system ⓘ |
| visibleFromLatitude | up to about 73° N ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.