|
gptkbp:instanceOf
|
gptkb:open_cluster
|
|
gptkbp:age
|
12 billion years
|
|
gptkbp:alsoKnownAs
|
gptkb:NGC_6656
gptkb:M22
|
|
gptkbp:angularSize
|
32 arcminutes
|
|
gptkbp:apparentMagnitude
|
5.1
|
|
gptkbp:bestViewedIn
|
summer months
low latitudes
|
|
gptkbp:cataloguedIn
|
gptkb:Charles_Messier
|
|
gptkbp:catalogueNumber
|
22
|
|
gptkbp:contains
|
variable stars
X-ray sources
millisecond pulsars
over 70,000 stars
|
|
gptkbp:coreRadius
|
1.3 arcminutes
|
|
gptkbp:declination
|
-23° 54′ 12″
|
|
gptkbp:discoveredBy
|
gptkb:Abraham_Ihle
|
|
gptkbp:discoveredIn
|
1665
|
|
gptkbp:distanceFromEarth
|
10,600 light-years
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
gptkb:Southern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Messier 22
|
|
gptkbp:locatedIn
|
gptkb:constellation_Sagittarius
|
|
gptkbp:mass
|
~500,000 solar masses
|
|
gptkbp:metallicity
|
[Fe/H] = -1.70
|
|
gptkbp:notableFor
|
contains planetary nebula GJJC1
one of the brightest globular clusters
|
|
gptkbp:partOf
|
gptkb:Milky_Way_Galaxy
|
|
gptkbp:rightAscension
|
18h 36m 24.2s
|
|
gptkbp:tidalRadius
|
17.4 arcminutes
|
|
gptkbp:bfsParent
|
gptkb:M22
gptkb:Charles_Messier
|
|
gptkbp:bfsLayer
|
6
|