|
gptkbp:instanceOf
|
gptkb:open_cluster
|
|
gptkbp:age
|
about 625 million years
|
|
gptkbp:angularSize
|
330 arcminutes
|
|
gptkbp:apparentMagnitude
|
0.5
|
|
gptkbp:associatedWith
|
gptkb:Hyades_Stream
|
|
gptkbp:brightestStar
|
gptkb:Theta_Tauri
|
|
gptkbp:cataloguedIn
|
gptkb:Giovanni_Battista_Hodierna
Charles Messier (not included in Messier catalogue)
|
|
gptkbp:catalogueNumber
|
gptkb:Collinder_50
gptkb:Melotte_25
gptkb:OCL_456
NGC 1647 (sometimes confused, but not the same)
|
|
gptkbp:contains
|
gptkb:binary_stars
gptkb:white_dwarfs
variable stars
brown dwarfs
main sequence stars
red giants
|
|
gptkbp:coreRadius
|
2.7 parsecs
|
|
gptkbp:declination
|
+15° 52′
|
|
gptkbp:discoveredBy
|
prehistory
|
|
gptkbp:distanceFromEarth
|
about 153 light-years
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
gptkbp:galacticLatitude
|
180.05°
-22.40°
|
|
gptkbp:hasColorIndex
|
B-V = 0.15
|
|
gptkbp:hasEscapeVelocity
|
about 0.3 km/s
|
|
gptkbp:hasInfraredSources
|
yes
|
|
gptkbp:hasTidalTail
|
yes
|
|
gptkbp:hasXRaySources
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Hyades Cluster
|
|
gptkbp:locatedIn
|
constellation Taurus
|
|
gptkbp:luminosity
|
about 400 times Sun
|
|
gptkbp:mass
|
about 400 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] ≈ +0.14
|
|
gptkbp:namedAfter
|
Hyades (mythology)
|
|
gptkbp:nearestOpenClusterToEarth
|
true
|
|
gptkbp:notableMember
|
Aldebaran (foreground star, not a member)
|
|
gptkbp:parallax
|
21.91 mas
|
|
gptkbp:partOf
|
gptkb:Milky_Way
|
|
gptkbp:properMotionRA
|
high
|
|
gptkbp:radialVelocity
|
39.2 km/s
|
|
gptkbp:rating
|
about 300
|
|
gptkbp:rightAscension
|
04h 27m
|
|
gptkbp:shape
|
V-shaped
|
|
gptkbp:spectralType
|
A, F, G, K, M
|
|
gptkbp:studiedBy
|
stellar evolution
|
|
gptkbp:tidalRadius
|
10 parsecs
|
|
gptkbp:usedFor
|
distance calibration
|
|
gptkbp:visibleToNakedEye
|
true
|
|
gptkbp:bfsParent
|
gptkb:C41_(Hyades)
gptkb:Messier_44
gptkb:Melotte_25
|
|
gptkbp:bfsLayer
|
7
|