|
gptkbp:instanceOf
|
gptkb:star
stellar classification
|
|
gptkbp:age
|
5.8 billion years
|
|
gptkbp:apparentMagnitude
|
3.50
|
|
gptkbp:BayerDesignation
|
gptkb:Tau_Ceti
|
|
gptkbp:catalogueNumber
|
gptkb:HIP_8102
gptkb:2MASS_J01440402-1556141
gptkb:BD-16_295
gptkb:Gliese_71
gptkb:HD_10700
gptkb:HR_509
gptkb:LHS_1202
gptkb:SAO_147420
|
|
gptkbp:constellation
|
gptkb:Cetus
|
|
gptkbp:containsPlanet
|
true
|
|
gptkbp:declination
|
-15° 56′ 14.9287″
|
|
gptkbp:diameter
|
0.793 solar radii
|
|
gptkbp:discoveredBy
|
ancient astronomers
|
|
gptkbp:distanceFromEarth
|
11.9 light-years
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
gptkbp:FlamsteedDesignation
|
gptkb:52_Ceti
|
|
gptkbp:hasDebrisDisk
|
true
|
|
gptkbp:hasExoplanet
|
gptkb:Tau_Ceti_e
gptkb:Tau_Ceti_f
gptkb:Tau_Ceti_g
gptkb:Tau_Ceti_h
|
|
gptkbp:hasNoKnownCompanions
|
true
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Tau Ceti
|
|
gptkbp:luminosity
|
0.52 solar luminosities
|
|
gptkbp:mass
|
0.783 solar masses
|
|
gptkbp:metallicity
|
-0.50
|
|
gptkbp:nearestStarSystem
|
Sol (the Sun)
|
|
gptkbp:notableFor
|
low metallicity
proximity to Earth
potentially habitable exoplanets
target for SETI
|
|
gptkbp:numberOfExoplanets
|
at least 4
|
|
gptkbp:parallax
|
273.96 mas
|
|
gptkbp:properMotionRA
|
-1721.06 mas/yr
854.16 mas/yr
|
|
gptkbp:rightAscension
|
01h 44m 04.08338s
|
|
gptkbp:rotationPeriod
|
0.4 km/s
|
|
gptkbp:solarAnalog
|
true
|
|
gptkbp:solitary
|
true
|
|
gptkbp:spectralType
|
G8.5V
|
|
gptkbp:stellarPopulation
|
thin disk
|
|
gptkbp:surfaceGravity
|
4.53 (log g)
|
|
gptkbp:temperature
|
5344 K
|
|
gptkbp:variableStar
|
none
|
|
gptkbp:visibleToNakedEye
|
true
|
|
gptkbp:bfsParent
|
gptkb:Project_Ozma
gptkb:Known_Space
gptkb:Cetus
|
|
gptkbp:bfsLayer
|
6
|