Properties (43)
Predicate | Object |
---|---|
gptkbp:instanceOf |
globular cluster
|
gptkbp:age |
approximately 12 billion years
|
gptkbp:associatedWith |
Milky Way Galaxy
|
gptkbp:contains |
gptkb:blue_stragglers
approximately 100,000 yes |
gptkbp:established |
gptkb:Charles_Messier
|
gptkbp:exhibits |
Messier catalog
|
gptkbp:geographicalFeature |
l = 90.0°, b = +30.0°
|
gptkbp:hasEstablished |
extensively
|
gptkbp:hasHistoricalSignificance |
yes
|
gptkbp:hasRecognition |
6.2
-9.2 |
gptkbp:hasStations |
yes
|
gptkbp:hasVariants |
+12° 10′ 01″
|
gptkbp:historicalEvent |
observed by various astronomers over centuries.
|
https://www.w3.org/2000/01/rdf-schema#label |
Messier 15
|
gptkbp:image |
Hubble_Space_Telescope_image_of_Messier_15
|
gptkbp:isA |
deep-sky object
|
gptkbp:isAccessibleBy |
yes
|
gptkbp:isKnownFor |
its dense core
|
gptkbp:isLocatedIn |
right ascension 21h 29m 58.6s, declination +12° 10′ 01″
|
gptkbp:isOftenAccompaniedBy |
the oldest globular clusters
|
gptkbp:isPartOf |
gptkb:Local_Group
the Milky Way halo the_Messier_series_of_astronomical_objects. |
gptkbp:isRelatedTo |
M15
|
gptkbp:isServedBy |
amateur astronomy
|
gptkbp:isStudiedIn |
stellar dynamics
|
gptkbp:isUsedIn |
stellar evolution studies
|
gptkbp:legalStatus |
21h 29m 58.6s
|
gptkbp:length |
33,600 light years
|
gptkbp:locatedIn |
constellation Pegasus
|
gptkbp:naturalResources |
[Fe/H] = -2.17
|
gptkbp:notableFeature |
1746 by Jean-Dominique Maraldi
contains a planetary nebula |
gptkbp:photography |
professional astronomers
|
gptkbp:releaseYear |
1746
|
gptkbp:scope |
NGC 7078
|
gptkbp:type |
G
Type II globular cluster |
gptkbp:visitedBy |
gptkb:Hubble_Space_Telescope
|
gptkbp:weight |
approximately 1.5 million solar masses
|