Mirzam
E506483
Mirzam is a bright blue-white giant star in the constellation Canis Major, known as one of the prominent stars near Sirius in the winter sky.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Beta Cephei variable
ⓘ
star ⓘ |
| absoluteMagnitudeV | −4.0 ⓘ |
| alsoKnownAs |
Beta Canis Majoris
NERFINISHED
ⓘ
β CMa NERFINISHED ⓘ β Canis Majoris NERFINISHED ⓘ |
| apparentMagnitudeV | 1.98 ⓘ |
| bayerDesignation | β Canis Majoris NERFINISHED ⓘ |
| BDNumber | BD−18 1426 NERFINISHED ⓘ |
| belongsToAsterism | Canis Major (the Greater Dog) NERFINISHED ⓘ |
| color | blue-white ⓘ |
| constellation | Canis Major NERFINISHED ⓘ |
| declination | −17° 57′ 21.3″ ⓘ |
| distanceFromEarth_ly | ~500 ⓘ |
| distanceFromEarth_pc | ~150 ⓘ |
| dominantFusionProcess | CNO cycle NERFINISHED ⓘ |
| effectiveTemperature_K | ~23,000 ⓘ |
| epoch | J2000.0 ⓘ |
| evolutionaryStage | giant or bright giant ⓘ |
| flamsteedDesignation | 15 Canis Majoris NERFINISHED ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasCompanion | no well-established close stellar companion ⓘ |
| HDNumber | HD 44743 NERFINISHED ⓘ |
| hemisphereVisibility | Southern sky ⓘ |
| HIPNumber | HIP 30324 NERFINISHED ⓘ |
| HRNumber | HR 2294 NERFINISHED ⓘ |
| IAUApprovedName | Mirzam NERFINISHED ⓘ |
| locationRelativeToSirius | near Sirius in the winter sky ⓘ |
| luminosity_solar | ~26,000 ⓘ |
| mass_solar | ~13 ⓘ |
| name | Mirzam NERFINISHED ⓘ |
| notableFor |
being a prototype Beta Cephei variable star
ⓘ
being one of the brightest stars in Canis Major ⓘ |
| parallax_mas | ~6.5 ⓘ |
| radialVelocity_km_s | +33 ⓘ |
| radius_solar | ~13 ⓘ |
| rightAscension | 06h 22m 41.986s ⓘ |
| SIMBADIdentifier | bet CMa ⓘ |
| spectralType | B1II–III ⓘ |
| traditionalNameMeaning | the herald ⓘ |
| traditionalNameOrigin | Arabic ⓘ |
| variabilityAmplitude_mag | ~0.03 ⓘ |
| variabilityPeriod_hours | ~6 ⓘ |
| variableType | Beta Cephei NERFINISHED ⓘ |
| visibleInSeason | northern winter ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.