ζ Herculis
E926947
ζ Herculis is a bright binary star system in the constellation Hercules, visible to the naked eye and composed of two closely orbiting Sun-like stars.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| ζ Herculis A | 0 |
| ζ Herculis B | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
binary star system
ⓘ
main-sequence star ⓘ main-sequence star ⓘ star ⓘ star ⓘ stellar system ⓘ |
| age_Gyr | about 6 ⓘ |
| apparentMagnitudeV | 2.81 ⓘ |
| belongsToAsterism | Keystone of Hercules NERFINISHED ⓘ |
| component |
ζ Herculis A
ⓘ
ζ Herculis B NERFINISHED ⓘ |
| constellation | Hercules NERFINISHED ⓘ |
| declination | +31° 36′ ⓘ |
| distanceFromEarth_ly | about 35 ⓘ |
| distanceFromEarth_pc | about 11 ⓘ |
| effectiveTemperature_K | about 5800 ⓘ |
| galacticPopulation | thin disk ⓘ |
| hasCatalogEntry |
Bright Star Catalogue
NERFINISHED
ⓘ
Flamsteed designation in Hercules constellation ⓘ Henry Draper Catalogue NERFINISHED ⓘ Hipparcos Catalogue NERFINISHED ⓘ |
| hasProperMotion | high ⓘ |
| hasSolarLikeStars | true ⓘ |
| isBrightStar | true ⓘ |
| isDoubleStar | true ⓘ |
| isNearbyStarSystem | true ⓘ |
| isPrimaryComponentOf | ζ Herculis NERFINISHED ⓘ |
| isSecondaryComponentOf | ζ Herculis NERFINISHED ⓘ |
| isSpectroscopicBinary | true ⓘ |
| luminosity_solarLuminosity | about 6 ⓘ |
| mass_solarMass |
about 0.9
ⓘ
about 1.4 ⓘ |
| metallicity_Fe_H | slightly sub-solar ⓘ |
| orbitalPeriod_years | about 34.5 ⓘ |
| otherDesignation |
HD 150680
NERFINISHED
ⓘ
HIP 81693 NERFINISHED ⓘ HR 6212 NERFINISHED ⓘ Zet Her NERFINISHED ⓘ Zeta Herculis NERFINISHED ⓘ ζ Her NERFINISHED ⓘ |
| parallax_mas | about 91 ⓘ |
| radius_solarRadius | about 2.6 ⓘ |
| rightAscension | 16h 41m ⓘ |
| spectralType |
F-type
ⓘ
F9 IV-V ⓘ G7 V ⓘ |
| visibleToNakedEye | true ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.