Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:open_cluster
|
| gptkbp:alternativeName |
gptkb:NGC_6626
gptkb:M28 |
| gptkbp:angularSize |
11.2 arcminutes
|
| gptkbp:apparentMagnitude |
7.66
|
| gptkbp:cataloguedIn |
gptkb:Messier_Catalogue
gptkb:New_General_Catalogue |
| gptkbp:contains |
pulsar PSR B1821-24
|
| gptkbp:declination |
-24° 52′ 11.4″
|
| gptkbp:discoveredBy |
gptkb:Charles_Messier
|
| gptkbp:discoveredIn |
1764
|
| gptkbp:distanceFromEarth |
about 18,000 light-years
|
| gptkbp:hasViewOf |
gptkb:Earth
|
| https://www.w3.org/2000/01/rdf-schema#label |
Messier 28
|
| gptkbp:locatedIn |
gptkb:constellation_Sagittarius
|
| gptkbp:mass |
~551,000 solar masses
|
| gptkbp:metallicity |
[Fe/H] = –1.32
|
| gptkbp:notableFor |
first globular cluster where a millisecond pulsar was discovered
|
| gptkbp:rating |
~50,000
|
| gptkbp:rightAscension |
18h 24m 32.89s
|
| gptkbp:bfsParent |
gptkb:Charles_Messier
|
| gptkbp:bfsLayer |
6
|