Mira

E591819

Mira is a famous red giant variable star in the constellation Cetus, known for its dramatic changes in brightness over time.

All labels observed (2)

Label Occurrences
Mira canonical 3
Mira B 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf Mira variable
long-period variable star
pulsating variable star
red giant star
star
alsoKnownAs Omicron Ceti
ο Ceti
linked to: Omicron Ceti
apparentMagnitudeRange about 2.0 to 10.1
catalogDesignation HD 14386
HIP 10732
HR 681
color red
constellation Cetus
coreComposition carbon-oxygen core
declination −02° 59′
discoveredAsVariableBy David Fabricius
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
linked to: Mira
hasFeature comet-like tail
extended gaseous envelope
heliocentricRadialVelocity about 63 km/s
isPrototypeOf Mira variables
locatedIn Milky Way
Orion Arm
luminosity about 8000 times solar luminosity
mass about 1.2 solar masses
massLoss strong stellar wind
MiraBInstanceOf white dwarf star
namedBy Johannes Hevelius
nameLanguage Latin
nameMeaning wonderful
observedInUltravioletBy GALEX
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

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Cetus hasBrightStar Mira
Mira hasCompanion Mira B
linked to: Mira