Messier 75

GPTKB entity

Properties (37)
Predicate Object
gptkbp:instanceOf globular cluster
gptkbp:age approximately 13 billion years
gptkbp:appearsIn southern hemisphere
gptkbp:associatedWith Milky Way halo
gptkbp:contains approximately 100,000
RR Lyrae variables
gptkbp:diameter approximately 100 light-years
gptkbp:established gptkb:Pierre_Méchain
gptkbp:firstPublished ground-based telescopes
gptkbp:firstSeason Messier catalog
gptkbp:geographicalFeature l = 6.5°, b = -9.5°
gptkbp:has multiple stellar populations
gptkbp:hasRecognition 10.2
-8.5
gptkbp:hasTheme astronomers worldwide
gptkbp:hasVariants -21° 59′ 00″
https://www.w3.org/2000/01/rdf-schema#label Messier 75
gptkbp:isA deep-sky object
gptkbp:isAccessibleBy gptkb:Earth
gptkbp:isLocatedNear gptkb:Messier_74
gptkbp:isNotableFor its density of stars
gptkbp:isOftenUsedIn amateur astronomy
gptkbp:isPartOf Messier catalog
the Milky Way galaxy
gptkbp:isUsedFor a globular cluster
gptkbp:legalStatus 19h 00m 06.0s
gptkbp:length approximately 67,500 light-years
gptkbp:locatedIn gptkb:Sagittarius_constellation
gptkbp:naturalResources [Fe/H] = -1.07
gptkbp:notableFeature high concentration of stars
gptkbp:officialResidence faintness and crowding in the field
gptkbp:photography standard candle
gptkbp:previouslyKnownAs NGC 6864
gptkbp:releaseYear June 24, 1780
gptkbp:type various
Type II globular cluster
gptkbp:visitedBy gptkb:Hubble_Space_Telescope