Messier 19

E482188

Messier 19 is a highly elongated globular star cluster located in the constellation Ophiuchus, notable for being one of the most oblate known globular clusters in the Milky Way.

All labels observed (1)

Label Occurrences
Messier 19 canonical 3

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf Messier object
NGC object
astronomical object
globular star cluster
absoluteMagnitudeV −9.2 (approx)
angularSize 17 arcminutes (approx)
apparentMagnitudeV 6.8
belongsTo Messier catalogue
New General Catalogue
catalogCode GCl 45
M19
Messier 19
NGC 6273
coreRadius about 0.7 arcminutes
declination −26° 16′ (approx)
discoveredBy Charles Messier
discoveryDate 1764
distanceFromEarth 28000 light-years (approx)
distanceFromGalacticCenter 6500 light-years (approx)
ellipticity high compared to typical globular clusters
galacticLatitude +6.0° (approx)
galacticLongitude +356.9° (approx)
halfLightRadius about 1.3 arcminutes
hasShape elliptical
hasStellarPopulation Population II stars
hostGalaxy Milky Way
isAffectedBy interstellar extinction
isHighlyElongated true
isIncludedIn Harris catalogue of globular clusters
isLocatedNear Galactic center
linked to: Milky Way center
isOblate true
isObservedIn infrared wavelengths
optical wavelengths
isOneOfMostOblateGlobularClustersIn Milky Way
isPartOf Milky Way globular cluster system
isRichIn old, metal-poor stars
isVisibleFromEarthWith binoculars under dark skies
locatedIn Galactic bulge region
linked to: Milky Way center

Milky Way
locatedInConstellation Ophiuchus
mass about 1.1×10^6 solar masses
metallicityFeH −1.5 (approx)
rightAscension 17h 02m (approx)
showsDifferentialReddening true

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Ophiuchus containsDeepSkyObject Messier 19
Messier 19 catalogCode Messier 19
Ophiuchus containsDeepSkyObject Messier 19
subject linked to: Oph