Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
Messier object |
| gptkbp:age |
~13 billion years
|
| gptkbp:alternativeName |
gptkb:NGC_7099
|
| gptkbp:angularSize |
11.0 arcminutes
|
| gptkbp:apparentMagnitude |
7.7
|
| gptkbp:cataloguedIn |
gptkb:Messier_Catalogue
gptkb:New_General_Catalogue |
| gptkbp:contains |
variable stars
blue straggler stars |
| gptkbp:coreCollapse |
yes
|
| gptkbp:declination |
-23° 10′ 47.5″
|
| gptkbp:discoveredBy |
gptkb:Charles_Messier
|
| gptkbp:discoveredIn |
1764
|
| gptkbp:distanceFromEarth |
27,100 light-years
|
| https://www.w3.org/2000/01/rdf-schema#label |
M30
|
| gptkbp:locatedIn |
constellation Capricornus
|
| gptkbp:mass |
~160,000 solar masses
|
| gptkbp:metallicity |
[Fe/H] = –2.12
|
| gptkbp:rightAscension |
21h 40m 22.12s
|
| gptkbp:visibleToNakedEye |
with binoculars or small telescope
|
| gptkbp:bfsParent |
gptkb:BMW_5_Series
|
| gptkbp:bfsLayer |
5
|