Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
|
| gptkbp:age |
~12.2 billion years
|
| gptkbp:alsoKnownAs |
gptkb:Messier_4
|
| gptkbp:apparentMagnitude |
5.6
|
| gptkbp:catalogueNumber |
gptkb:M4
gptkb:NGC_6121 |
| gptkbp:constellation |
gptkb:Scorpius
|
| gptkbp:coreRadius |
0.56 arcmin
|
| gptkbp:declination |
-26° 31′ 32.7″
|
| gptkbp:diameter |
~35 light-years
|
| gptkbp:discoveredBy |
gptkb:Philippe_Loys_de_Chéseaux
|
| gptkbp:discoveredIn |
1746
|
| gptkbp:distanceFromEarth |
about 6,000 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
NGC 6121
|
| gptkbp:mass |
~100,000 solar masses
|
| gptkbp:metallicity |
[Fe/H] = -1.16
|
| gptkbp:notableFeature |
one of the closest globular clusters to Earth
contains a millisecond pulsar |
| gptkbp:rightAscension |
16h 23m 35.22s
|
| gptkbp:tidalRadius |
32.49 arcmin
|
| gptkbp:visibleToNakedEye |
yes
|
| gptkbp:bfsParent |
gptkb:Messier_4
|
| gptkbp:bfsLayer |
7
|