Beta Monocerotis
E555753
Beta Monocerotis is a bright multiple-star system in the constellation Monoceros, notable for its visually striking trio of closely spaced, luminous stars.
Observed surface forms (3)
| Surface form | Occurrences |
|---|---|
| Beta Monocerotis B | 0 |
| Beta Monocerotis A | 0 |
| Beta Monocerotis C | 0 |
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf | multiple star system ⓘ |
| apparentMagnitudeV |
4.60
ⓘ
5.40 ⓘ 5.60 ⓘ |
| bestSeenFrom | Northern Hemisphere NERFINISHED ⓘ |
| bestSeenInMonth | February ⓘ |
| colorIndexBminusV | −0.18 ⓘ |
| component |
Beta Monocerotis A
NERFINISHED
ⓘ
Beta Monocerotis B NERFINISHED ⓘ Beta Monocerotis C NERFINISHED ⓘ |
| constellation | Monoceros NERFINISHED ⓘ |
| declination | −07° 01′ 59″ ⓘ |
| discoverer | Giovanni Battista Hodierna NERFINISHED ⓘ |
| discoveryCentury | 17th century ⓘ |
| distanceFromEarth_ly | ~690 ⓘ |
| distanceFromEarth_pc | ~210 ⓘ |
| effectiveTemperature_K |
~17000
ⓘ
~18000 ⓘ |
| equatorialCoordinateEpoch | J2000 ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasOpticalMultiplicity | true ⓘ |
| hemisphere | celestial equator region ⓘ |
| isNakedEyeVisible | true ⓘ |
| luminosity_solar |
~1600
ⓘ
~3200 ⓘ |
| mass_solar |
~6.0
ⓘ
~6.2 ⓘ ~7.1 ⓘ |
| notableFor |
closely spaced luminous components
ⓘ
visually striking triple star ⓘ |
| numberOfComponents | 3 ⓘ |
| otherName |
β Mon
NERFINISHED
ⓘ
β Monocerotis NERFINISHED ⓘ |
| parallax_mas | ~4.75 ⓘ |
| parallaxError_mas | ~0.16 ⓘ |
| properMotionDec_masPerYr | −0.7 ⓘ |
| properMotionRA_masPerYr | −3.9 ⓘ |
| radialVelocity_kmPerSec | ~+22 ⓘ |
| rightAscension | 06h 28m 49s ⓘ |
| spectralType |
B3V
ⓘ
B3Ve ⓘ |
| variableStarType | Be star system ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.