Eta Tauri

URI: https://gptkb.org/entity/Eta_Tauri
GPTKB entity
Statements (34)
Predicate Object
gptkbp:instanceOf gptkb:star
astronomer
gptkbp:age about 100 million years
gptkbp:apparentMagnitude 2.87
gptkbp:brightestStar gptkb:Pleiades_cluster
gptkbp:catalogueNumber gptkb:BD+23_518
gptkb:HD_23630
gptkb:HIP_17702
gptkb:HR_1165
gptkb:SAO_76199
gptkb:ADS_2963
gptkb:WDS_J03491+2403
gptkbp:constellation gptkb:Taurus
gptkbp:declination +24° 03′ 12″
gptkbp:diameter about 9.3 solar radii
gptkbp:discoveredBy ancient astronomers
gptkbp:distanceFromEarth 440 light years
gptkbp:hasCompanion binary star system
https://www.w3.org/2000/01/rdf-schema#label Eta Tauri
gptkbp:luminosity about 2,400 times Sun
gptkbp:mass about 6 solar masses
gptkbp:metallicity [Fe/H] ≈ 0.07
gptkbp:otherName gptkb:Alcyone
gptkbp:parallax 7.41 mas
gptkbp:partOf gptkb:astronomy
gptkbp:properMotionRA -45.53 mas/yr
+20.48 mas/yr
gptkbp:rightAscension 03h 49m 09.7s
gptkbp:rotationPeriod 215 km/s
gptkbp:spectralType B7IIIe
gptkbp:temperature about 12,300 K
gptkbp:variableStar suspected variable
gptkbp:bfsParent gptkb:Alcyone
gptkbp:bfsLayer 5