UV Ceti
E591821
UV Ceti is a nearby red dwarf flare star in the constellation Cetus, famous as the prototype of UV Ceti-type flare stars that exhibit sudden, dramatic increases in brightness.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
UV Ceti-type flare star
ⓘ
flare star ⓘ main-sequence star ⓘ red dwarf ⓘ variable star ⓘ |
| absoluteMagnitudeV | ~15.2 ⓘ |
| age_estimate | low to moderate stellar age ⓘ |
| apparentMagnitudeV_quiescent | ~13.0 ⓘ |
| binaryType | wide binary ⓘ |
| catalogEntry |
GJ 65B
NERFINISHED
ⓘ
Gliese 65B NERFINISHED ⓘ LHS 10B NERFINISHED ⓘ |
| colorIndex | very red ⓘ |
| componentOf | Luyten 726-8 binary system NERFINISHED ⓘ |
| constellation | Cetus NERFINISHED ⓘ |
| declination_epochJ2000 | −17° 57′ ⓘ |
| discovery | identified as a flare star in the 20th century ⓘ |
| distanceFromEarth_approx |
2.7 parsecs
ⓘ
8.7 light-years ⓘ |
| effectiveTemperature_approx | ~2700 K ⓘ |
| emissionLines | strong hydrogen emission ⓘ |
| flareActivity | very strong ⓘ |
| flareAmplitude | several magnitudes in optical ⓘ |
| flareTimescale | minutes ⓘ |
| galacticPopulation | solar neighborhood ⓘ |
| hasCompanion | BL Ceti NERFINISHED ⓘ |
| hostGalaxy | Milky Way NERFINISHED ⓘ |
| lightCurveBehavior | sudden increases in brightness ⓘ |
| luminosity_approx | ~0.001 solar luminosities ⓘ |
| magneticActivity | intense ⓘ |
| mass_approx | ~0.1 solar masses ⓘ |
| nearbyStarStatus | one of the nearest stars to the Sun ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| otherDesignation | Luyten 726-8B NERFINISHED ⓘ |
| parallax_approx | ~373 milliarcseconds ⓘ |
| properMotion | high ⓘ |
| prototypeOf | UV Ceti-type flare stars NERFINISHED ⓘ |
| radius_approx | ~0.15 solar radii ⓘ |
| rightAscension_epochJ2000 | 01h 39m ⓘ |
| rotation | rapid ⓘ |
| separationFromBL Ceti_approx | tens of astronomical units ⓘ |
| spectralType | M6.0Ve ⓘ |
| stellarClass | M dwarf ⓘ |
| variableStarDesignation | UV Ceti NERFINISHED ⓘ |
| variableType |
UV Ceti-type
ⓘ
dMe flare star ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.