Properties (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
globular cluster
|
| gptkbp:age |
approximately 13 billion years
|
| gptkbp:contains |
several hundred thousand stars
|
| gptkbp:established |
gptkb:Charles_Messier
|
| gptkbp:exhibits |
Messier catalog
|
| gptkbp:has |
a core radius of about 2.5 arcminutes
a half-light radius of about 4.5 arcminutes |
| gptkbp:hasRecognition |
6.8
|
| gptkbp:hasVariants |
-24° 52′ 30″
|
| https://www.w3.org/2000/01/rdf-schema#label |
Messier 28
|
| gptkbp:isLocatedIn |
Galactic_coordinates_(l,_b)_=_(6.5°,_-8.0°)
|
| gptkbp:isPartOf |
Milky Way galaxy
|
| gptkbp:legalStatus |
18h 24m 30s
|
| gptkbp:length |
approximately 18,000 light years
|
| gptkbp:locatedIn |
constellation_Sagittarius
|
| gptkbp:naturalResources |
[Fe/H] = -1.07
|
| gptkbp:notableFeature |
contains a number of variable stars
|
| gptkbp:previouslyKnownAs |
NGC 6626
|
| gptkbp:releaseYear |
1764
|
| gptkbp:type |
Giant globular cluster
|
| gptkbp:visitedBy |
gptkb:Hubble_Space_Telescope
|
| gptkbp:weight |
approximately 100,000 solar masses
|