HR 509

E653629

Tau Ceti star system main-sequence star star

HR 509 is the catalog designation for Tau Ceti, a nearby Sun-like star in the constellation Cetus known for its multiple exoplanets and relative proximity to Earth.

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Statements (50)

Predicate	Object
instanceOf	Tau Ceti star system ⓘ main-sequence star ⓘ star ⓘ
absoluteMagnitudeV	5.69 ⓘ
age_Gyr	~5.8 ⓘ
alsoKnownAs	Gliese 71 NERFINISHED ⓘ HD 10700 NERFINISHED ⓘ HIP 8102 NERFINISHED ⓘ Tau Ceti NERFINISHED ⓘ
apparentMagnitudeV	3.5 ⓘ
approximateApparentMagnitudeV	3.49 ⓘ
approximateDistanceFromEarth_ly	11.9 ⓘ
BayerDesignation	τ Ceti NERFINISHED ⓘ
constellation	Cetus NERFINISHED ⓘ
debrisDiskType	Kuiper-belt-like debris disk ⓘ
declination_J2000	-15° 56′ 15″ ⓘ
distanceFromEarth_ly	11.9 ⓘ
distanceFromEarth_pc	3.65 ⓘ
effectiveTemperature_K	5344 ⓘ
FlamsteedDesignation	52 Ceti NERFINISHED ⓘ
galacticPopulation	thin disk ⓘ
hasDebrisDisk	true ⓘ
hasExoplanetCandidate	Tau Ceti b NERFINISHED ⓘ Tau Ceti c NERFINISHED ⓘ Tau Ceti d NERFINISHED ⓘ Tau Ceti e NERFINISHED ⓘ Tau Ceti f NERFINISHED ⓘ Tau Ceti g NERFINISHED ⓘ
hasLowStellarActivity	true ⓘ
hasPlanetarySystem	true ⓘ
isNearbyStarToSun	true ⓘ
isTargetOfSETI	true ⓘ
luminosity_solarLuminosity	0.52 ⓘ
luminosityClass	V ⓘ
mass_solarMass	0.78 ⓘ
metallicity_Fe_H	-0.5 ⓘ
olderThan	Sun NERFINISHED ⓘ
parallax_mas	273.96 ⓘ
properMotion_Dec_mas_yr	+854 ⓘ
properMotion_RA_mas_yr	+1712 ⓘ
radialVelocity_km_s	-16.7 ⓘ
radius_solarRadius	0.79 ⓘ
rightAscension_J2000	01h 44m 04.1s ⓘ
rotationPeriod_days	~34 ⓘ
SIMBADIdentifier	* tau Cet NERFINISHED ⓘ
solarAnalog	true ⓘ
spectralType	G8.5V ⓘ
stellarClass	G-type ⓘ
visibleToNakedEye	true ⓘ
XRayEmission	weak ⓘ

Referenced by (1)

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

Tau Ceti e → catalogDesignationOfHostStar → HR 509 ⓘ