Mira
E591819
Mira is a famous red giant variable star in the constellation Cetus, known for its dramatic changes in brightness over time.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Mira variable
ⓘ
long-period variable star ⓘ pulsating variable star ⓘ red giant star ⓘ star ⓘ |
| alsoKnownAs |
Omicron Ceti
NERFINISHED
ⓘ
ο Ceti NERFINISHED ⓘ |
| apparentMagnitudeRange | about 2.0 to 10.1 ⓘ |
| catalogDesignation |
HD 14386
NERFINISHED
ⓘ
HIP 10732 NERFINISHED ⓘ HR 681 NERFINISHED ⓘ |
| color | red ⓘ |
| constellation | Cetus NERFINISHED ⓘ |
| coreComposition | carbon-oxygen core ⓘ |
| declination | −02° 59′ ⓘ |
| discoveredAsVariableBy | David Fabricius NERFINISHED ⓘ |
| discoveryOfVariabilityYear | 1596 ⓘ |
| distanceFromEarth |
about 300 light-years
ⓘ
about 92 parsecs ⓘ |
| effectiveTemperature | about 3000 K ⓘ |
| evolutionaryStage | asymptotic giant branch star ⓘ |
| futureEvolution | will become a white dwarf ⓘ |
| hasCompanion | Mira B NERFINISHED ⓘ |
| hasFeature |
comet-like tail
ⓘ
extended gaseous envelope ⓘ |
| heliocentricRadialVelocity | about 63 km/s ⓘ |
| isPrototypeOf | Mira variables NERFINISHED ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion Arm NERFINISHED ⓘ |
| luminosity | about 8000 times solar luminosity ⓘ |
| mass | about 1.2 solar masses ⓘ |
| massLoss | strong stellar wind ⓘ |
| MiraBInstanceOf | white dwarf star ⓘ |
| namedBy | Johannes Hevelius NERFINISHED ⓘ |
| nameLanguage | Latin ⓘ |
| nameMeaning | wonderful ⓘ |
| observedInUltravioletBy | GALEX NERFINISHED ⓘ |
| properMotion | high ⓘ |
| radius | about 300 solar radii ⓘ |
| rightAscension | 02h 19m ⓘ |
| spectralType | M7IIIe ⓘ |
| systemType | binary star system ⓘ |
| tailLength | about 13 light-years ⓘ |
| variabilityCause | radial pulsations ⓘ |
| variabilityPeriod | about 332 days ⓘ |
| variableType | Mira-type variable ⓘ |
| visibleToNakedEyeAtMaximum | true ⓘ |
| visibleToNakedEyeAtMinimum | false ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.