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.

All labels observed (1)

Label Occurrences
Deneb canonical 11

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf blue-white supergiant star
luminous supergiant
star
absoluteMagnitudeV -8.4
age_millionYears ~10
apparentMagnitudeV 1.25
bayerDesignation Alpha Cygni
catalogIdentifier BD+44 3541
HD 197345
HIP 102098
HR 7924
color blue-white
constellation Cygnus
declination +45° 16′ 49″
distanceFromEarth_ly ~2600
distanceFromEarth_pc ~800
effectiveTemperature_K ~8525
flamsteedDesignation 50 Cygni
formsAsterismWith Altair
Vega
galacticPopulation Population I
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
Summer Triangle
linked to: SummerTriangle
isPoleStarOf none
isReferencePointFor Summer Triangle asterism
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

How these facts were elicited

Referenced by (11)

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

Dencun composedOf Deneb
Dencun namedFrom Deneb
Cygnus containsBrightStar Deneb
subject linked to: constellation Cygnus
Cygnus brightestStar Deneb
subject linked to: constellation Cygnus
NGC 7000 nearbyBrightStar Deneb
Altair otherComponentOf Deneb
Vega SummerTriangleOtherStars Deneb
subject linked to: Vega (star)