Messier 15

GPTKB entity

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