Deneb
E576472
Deneb is a luminous blue-white supergiant star in the constellation Cygnus and one of the brightest stars in the night sky, forming part of the Summer Triangle asterism.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
blue-white supergiant star
ⓘ
luminous supergiant ⓘ star ⓘ |
| absoluteMagnitudeV | -8.4 ⓘ |
| age_millionYears | ~10 ⓘ |
| apparentMagnitudeV | 1.25 ⓘ |
| bayerDesignation | Alpha Cygni NERFINISHED ⓘ |
| catalogIdentifier |
BD+44 3541
NERFINISHED
ⓘ
HD 197345 NERFINISHED ⓘ HIP 102098 NERFINISHED ⓘ HR 7924 NERFINISHED ⓘ |
| color | blue-white ⓘ |
| constellation | Cygnus NERFINISHED ⓘ |
| declination | +45° 16′ 49″ ⓘ |
| distanceFromEarth_ly | ~2600 ⓘ |
| distanceFromEarth_pc | ~800 ⓘ |
| effectiveTemperature_K | ~8525 ⓘ |
| flamsteedDesignation | 50 Cygni NERFINISHED ⓘ |
| formsAsterismWith |
Altair
NERFINISHED
ⓘ
Vega NERFINISHED ⓘ |
| galacticPopulation | Population I NERFINISHED ⓘ |
| hasCompanionStar | no confirmed companion ⓘ |
| hasPhotometricBand |
B-V index ~0.09
ⓘ
U-B index ~-0.22 ⓘ |
| hemisphereVisibility | northern hemisphere ⓘ |
| isAmong | brightest stars in the night sky ⓘ |
| isNavigationStar | yes ⓘ |
| isPartOf |
Northern Cross
NERFINISHED
ⓘ
Summer Triangle NERFINISHED ⓘ |
| isPoleStarOf | none ⓘ |
| isReferencePointFor | Summer Triangle asterism NERFINISHED ⓘ |
| isSupergiant | true ⓘ |
| isVariableStar | true ⓘ |
| luminosity_solarLuminosities | ~200000 ⓘ |
| mass_solarMasses | ~19 ⓘ |
| nameEtymology | from Arabic "dhanab" meaning "tail" ⓘ |
| parallax_mas | ~1.01 ⓘ |
| properMotionDec_masPerYear | 1.85 ⓘ |
| properMotionRA_masPerYear | 1.99 ⓘ |
| radialVelocity_kmPerSecond | -4.5 ⓘ |
| radius_solarRadii | ~200 ⓘ |
| represents | tail of the swan in Cygnus ⓘ |
| rightAscension | 20h 41m 25.9s ⓘ |
| spectralType | A2Ia ⓘ |
| traditionalNameOrigin | Arabic ⓘ |
| variableType | Alpha Cygni variable ⓘ |
| visibleInSeason | northern summer ⓘ |
| willBecome | possible supernova in the far future ⓘ |
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cygnus
subject surface form:
Cygnus