π Herculis

E929547

π Herculis is a bright giant star in the constellation Hercules, visible to the naked eye and notable as one of the constellation’s prominent members.

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Statements (47)

Predicate Object
instanceOf astronomical object
bright giant star
star
absoluteMagnitudeV −1.64
age_gyr ~1
apparentMagnitudeV 3.16
bayerDesignation Pi Herculis NERFINISHED
π Herculis NERFINISHED
belongsToAsterism Hercules constellation figure
catalog Bright Star Catalogue NERFINISHED
Henry Draper Catalogue NERFINISHED
Hipparcos Catalogue NERFINISHED
colorIndexB−V +1.39
constellation Hercules NERFINISHED
declination +36° 48′ 33″
distanceFromEarth_ly ~370
distanceFromEarth_pc ~113
effectiveTemperature_K ~4200
energySource hydrogen shell burning
equatorialCoordinateEpoch J2000.0
evolutionaryStage post-main-sequence
red giant branch
flamsteedDesignation 44 Herculis NERFINISHED
galacticLatitude_deg +33.6
galacticLongitude_deg 63.5
galacticPopulation thin disk
hasColor orange
hdNumber HD 157076 NERFINISHED
hemisphereVisibility northern
hipparcosNumber HIP 84835 NERFINISHED
hrNumber HR 6465 NERFINISHED
luminosity_solar ~400
mass_solar ~2.5
metallicity_FeH ~0.0
notableFor being one of the prominent stars in the constellation Hercules
parallax_mas ~8.8
properMotionDec_masPerYr +33
properMotionRA_masPerYr −9
radialVelocity_kmPerSec −25
radius_solar ~25
rightAscension 17h 15m 01s
rotation slow rotator
simbadIdentifier pi+Her NERFINISHED
spectralClass K3II
surfaceGravity_logg ~1.5
variableStarType suspected variable
visibleToNakedEye true

Referenced by (1)

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

Hercules hasStar π Herculis