Eta Serpentis

E459140

Eta Serpentis is a bright K-type giant star located in the tail region of the constellation Serpens.

All labels observed (2)

Label Occurrences
Eta Serpentis canonical 2
η Serpentis 1

How this entity was disambiguated

Statements (47)

Predicate Object
instanceOf K-type star
giant star
star
absoluteMagnitudeV about 2.3
age_gyr about 2.5
apparentMagnitudeV 3.26
bayerDesignation η Serpentis
belongsToConstellationHalf Serpens Cauda
catalog Bright Star Catalogue
Henry Draper Catalogue
Hipparcos Catalogue
colorIndexBminusV about +1.0
constellation Serpens
declination −02° (approx)
distanceFromEarth_ly about 60
distanceFromEarth_pc about 18.5
effectiveTemperature_K about 4900
energyGeneration helium fusion in core
equatorialCoordinateSystem ICRS
evolutionaryStage core helium-burning star
red clump giant
flamsteedDesignation η Serpentis
linked to: Eta Serpentis
galacticPopulation thin disk
hasColor orange
hasExoplanet false
hdNumber HD 165135
hemisphere celestial equator region
hipparcosNumber HIP 88567
hrNumber HR 6748
locatedIn tail region of the constellation Serpens
luminosity_solar about 10
mass_solar about 1.6
metallicity_FeH near solar
multiplicity single star
parallax_mas about 54
properMotionDec_masPerYr about −88
properMotionRA_masPerYr about +232
radialVelocity_kmPerSec about −10
radius_solar about 4.5
rightAscension 18h 05m (approx)
rotation slow
simbadIdentifier eta+Ser
spectralClass K0III
surfaceGravity_logg lower than Sun
variableStar false
visibleFrom most inhabited regions of Earth
visibleToNakedEye true

How these facts were elicited

Referenced by (3)

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

Serpens Cauda contains Eta Serpentis
Eta Serpentis flamsteedDesignation η Serpentis
linked to: Eta Serpentis
Serpens containsStar Eta Serpentis