Gamma Doradus
E776904
Gamma Doradus is a variable star in the southern constellation Dorado, serving as the prototype of the Gamma Doradus class of pulsating variables.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Gamma Doradus variable
ⓘ
pulsating variable star ⓘ star ⓘ |
| age | about 1.5 billion years ⓘ |
| apparentMagnitudeRangeV | 4.16–4.27 ⓘ |
| apparentMagnitudeV | 4.25 ⓘ |
| BayerDesignation | γ Doradus NERFINISHED ⓘ |
| belongsTo | Milky Way NERFINISHED ⓘ |
| catalog | Henry Draper Catalogue NERFINISHED ⓘ |
| colorIndexBminusV | about +0.33 ⓘ |
| constellation | Dorado NERFINISHED ⓘ |
| declination | −51° 29′ 12″ ⓘ |
| discovererOfVariability | C. Henry et al. NERFINISHED ⓘ |
| discoveryOfVariability | 1990s ⓘ |
| distanceFromEarth |
about 102 light-years
ⓘ
about 31 parsecs ⓘ |
| effectiveTemperature | about 7,000 K ⓘ |
| FlamsteedDesignation | 3 Doradus NERFINISHED ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasVariabilityAmplitude | a few hundredths of a magnitude ⓘ |
| HDNumber | HD 27290 NERFINISHED ⓘ |
| hemisphere | southern celestial hemisphere ⓘ |
| HIPNumber | HIP 19893 NERFINISHED ⓘ |
| HRNumber | HR 1338 NERFINISHED ⓘ |
| isPrototypeOf | Gamma Doradus class of variable stars NERFINISHED ⓘ |
| isVisibleToNakedEye | yes ⓘ |
| locatedIn | Dorado constellation region of the sky NERFINISHED ⓘ |
| luminosity | about 6 times solar luminosity ⓘ |
| mass | about 1.6 solar masses ⓘ |
| metallicity | near solar ⓘ |
| observedIn |
photometric surveys
ⓘ
visual band ⓘ |
| parallax | 32.04 mas ⓘ |
| properMotionDec | −15 mas/yr ⓘ |
| properMotionRA | +104 mas/yr ⓘ |
| prototypeOf | Gamma Doradus variables NERFINISHED ⓘ |
| pulsationMode | non-radial g-modes ⓘ |
| pulsationPeriod | about 0.75 days ⓘ |
| pulsationPeriodRange | 0.3–3 days ⓘ |
| radialVelocity | about +28 km/s ⓘ |
| radius | about 1.6 solar radii ⓘ |
| rightAscension | 04h 16m 01s ⓘ |
| SIMBADIdentifier | gam Dor NERFINISHED ⓘ |
| spectralClass | F-type main-sequence star ⓘ |
| spectralType | F1V ⓘ |
| variabilityMechanism | gravity-mode pulsations ⓘ |
| variableType | Gamma Doradus NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Dorado