|
gptkbp:instanceOf
|
gptkb:open_cluster
astronomer
|
|
gptkbp:age
|
about 600 million years
|
|
gptkbp:alsoKnownAs
|
gptkb:Beehive_Cluster
gptkb:Messier_44
gptkb:M44
|
|
gptkbp:angularSize
|
about 95 arcminutes
|
|
gptkbp:apparentMagnitude
|
3.7
|
|
gptkbp:cataloguedIn
|
gptkb:NGC
gptkb:Messier
Caldwell
|
|
gptkbp:catalogueNumber
|
gptkb:NGC_2632
|
|
gptkbp:contains
|
over 1,000 stars
|
|
gptkbp:declination
|
+19° 41′
|
|
gptkbp:discoveredBy
|
known since ancient times
|
|
gptkbp:distanceFromEarth
|
about 610 light years
|
|
gptkbp:epoch
|
gptkb:J2000
|
|
gptkbp:firstCataloguedBy
|
gptkb:Charles_Messier
|
|
gptkbp:hasBinaryStars
|
yes
|
|
gptkbp:hasExoplanetHostStars
|
yes
|
|
gptkbp:hasRedGiants
|
yes
|
|
gptkbp:hasWhiteDwarfs
|
yes
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Praesepe
|
|
gptkbp:locatedIn
|
constellation Cancer
|
|
gptkbp:mass
|
about 500-600 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] ≈ 0.14
|
|
gptkbp:notableMembers
|
gptkb:Delta_Cancri
gptkb:Epsilon_Cancri
gptkb:HD_73666
|
|
gptkbp:partOf
|
gptkb:Milky_Way_Galaxy
|
|
gptkbp:rightAscension
|
08h 40.4m
|
|
gptkbp:type
|
gptkb:open_cluster
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Melotte_124
|
|
gptkbp:bfsLayer
|
6
|