Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:open_cluster
|
gptkbp:age |
~12.2 billion years
|
gptkbp:alsoKnownAs |
gptkb:Messier_4
|
gptkbp:angularSize |
36 arcminutes
|
gptkbp:apparentMagnitude |
5.6
|
gptkbp:cataloguedIn |
gptkb:Charles_Messier
|
gptkbp:catalogueNumber |
gptkb:M4
|
gptkbp:contains |
gptkb:white_dwarfs
pulsars |
gptkbp:declination |
-26° 32′
|
gptkbp:discoveredBy |
gptkb:Philippe_Loys_de_Chéseaux
|
gptkbp:discoveredIn |
1746
|
gptkbp:distanceFromEarth |
7,200 light-years
|
https://www.w3.org/2000/01/rdf-schema#label |
M 4
|
gptkbp:locatedIn |
constellation Scorpius
|
gptkbp:metallicity |
[Fe/H] = -1.07
|
gptkbp:notableFeature |
one of the closest globular clusters to Earth
contains a central bar structure |
gptkbp:partOf |
gptkb:NGC_6121
gptkb:Messier_Catalogue |
gptkbp:rightAscension |
16h 23.6m
|
gptkbp:bfsParent |
gptkb:Menzel_4_(planetary_nebula)
|
gptkbp:bfsLayer |
8
|