Delta Scuti

E489380
A-type star Delta Scuti variable main-sequence star prototype star pulsating variable star variable star

Delta Scuti is a variable star in the constellation Scutum, serving as the prototype of the Delta Scuti class of short-period pulsating stars.

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Statements (45)

Predicate Object
instanceOf A-type star ⓘ
Delta Scuti variable ⓘ
main-sequence star ⓘ
prototype star ⓘ
pulsating variable star ⓘ
variable star ⓘ
age_Myr ~730 ⓘ
apparentMagnitudeV 4.71 ⓘ
BayerDesignation δ Scuti NERFINISHED ⓘ
BDNumber BD−09 4984 NERFINISHED ⓘ
belongsTo Milky Way NERFINISHED ⓘ
constellation Scutum NERFINISHED ⓘ
declination −09° 03′ 09″ ⓘ
distanceFromEarth_ly ~199 ⓘ
distanceFromEarth_pc ~61 ⓘ
effectiveTemperature_K ~7000 ⓘ
evolutionaryStage slightly evolved off the main sequence ⓘ
FlamsteedDesignation δ Scuti NERFINISHED ⓘ
galacticPopulation thin disk ⓘ
hasEnglishName Delta Scuti NERFINISHED ⓘ
hasPhotometricVariability yes ⓘ
HDNumber HD 172748 NERFINISHED ⓘ
hemisphere southern celestial hemisphere ⓘ
HIPNumber HIP 91726 NERFINISHED ⓘ
hostGalaxy Milky Way NERFINISHED ⓘ
HRNumber HR 6879 NERFINISHED ⓘ
isNakedEyeVisible yes ⓘ
isPrototypeOfClassUsedIn asteroseismology studies ⓘ
luminosity_solar ~38 ⓘ
mass_solar ~1.8 ⓘ
metallicity_FeH ~0.0 ⓘ
parallax_mas ~16.4 ⓘ
prototypeOf Delta Scuti class of short-period pulsating stars NERFINISHED ⓘ
Delta Scuti variables NERFINISHED ⓘ
pulsationMode radial and non-radial ⓘ
pulsationPeriod_days ~0.1938 ⓘ
pulsationPeriod_hours ~4.65 ⓘ
radialVelocity_kmPerSec ~15 ⓘ
radius_solar ~2.9 ⓘ
rightAscension 18h 42m 16s ⓘ
rotationalVelocity_kmPerSec ~25 ⓘ
spectralType A2III ⓘ
variabilityDiscoveryCentury 20th century ⓘ
variableApparentMagnitudeVRange 4.60–4.79 ⓘ
variableType Delta Scuti NERFINISHED ⓘ

Referenced by (1)

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

Scutum constellation → contains → Delta Scuti ⓘ
subject surface form: Scutum