Tau Canis Majoris
E520069
Tau Canis Majoris is a very luminous, massive blue-white multiple star system located in the constellation Canis Major and is one of the brightest members of the open cluster NGC 2362.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Tau Canis Majoris A | 0 |
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
massive star
ⓘ
multiple star system ⓘ |
| absoluteMagnitudeV | about −6.9 ⓘ |
| age_Myr | about 4 ⓘ |
| apparentMagnitudeV | 4.39 ⓘ |
| catalogDesignation |
HD 57061
NERFINISHED
ⓘ
HIP 35415 NERFINISHED ⓘ HR 2782 NERFINISHED ⓘ τ CMa NERFINISHED ⓘ |
| color | blue-white ⓘ |
| colorIndexB−V | −0.19 ⓘ |
| constellation | Canis Major NERFINISHED ⓘ |
| declination | −24° 57′ 16″ ⓘ |
| distanceFromEarth_ly | about 4,800 light-years ⓘ |
| distanceFromEarth_pc | about 1,470 parsecs ⓘ |
| dominatesClusterLightOf | NGC 2362 NERFINISHED ⓘ |
| effectiveTemperature_K | 32000 ⓘ |
| epoch | J2000 ⓘ |
| evolutionaryStage | supergiant ⓘ |
| galacticPopulation | young disk ⓘ |
| hasComponent |
Tau Canis Majoris A
NERFINISHED
ⓘ
Tau Canis Majoris B NERFINISHED ⓘ Tau Canis Majoris C NERFINISHED ⓘ Tau Canis Majoris D NERFINISHED ⓘ |
| hasOpenCluster | NGC 2362 NERFINISHED ⓘ |
| isBrightestMemberOf | NGC 2362 NERFINISHED ⓘ |
| isIonizingSourceFor | surrounding interstellar gas in NGC 2362 ⓘ |
| isPartOf | Milky Way NERFINISHED ⓘ |
| locatedIn | southern celestial hemisphere ⓘ |
| luminositySolar | about 280000 ⓘ |
| massSolar | about 40 ⓘ |
| memberOf | NGC 2362 NERFINISHED ⓘ |
| metallicity_Fe_H | approximately solar ⓘ |
| multiplicity | multiple ⓘ |
| parallax_mas | 0.68 ⓘ |
| parallaxError_mas | 0.16 ⓘ |
| properMotionDec_mas_yr | +3.46 ⓘ |
| properMotionRA_mas_yr | −2.09 ⓘ |
| radialVelocity_km_s | +58 ⓘ |
| radiusSolar | about 17 ⓘ |
| rightAscension | 07h 18m 42.5s ⓘ |
| spectralType | O9Ib ⓘ |
| variableType | Beta Lyrae-type eclipsing binary (suspected) ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.