M11

E459049

M11 is a rich, compact open star cluster in the constellation Scutum, also known as the Wild Duck Cluster.

All labels observed (1)

Label Occurrences
M11 canonical 5

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf Messier object ⓘ
NGC object ⓘ
open star cluster ⓘ
age about 220 million years ⓘ
on the order of 200 million years ⓘ
alsoKnownAs Messier 11 ⓘ
NGC 6705 ⓘ
Wild Duck Cluster ⓘ
angularSize 14 arcminutes ⓘ
apparentMagnitudeV 5.8 ⓘ
appearance compact ⓘ
rich ⓘ
triangular star pattern resembling a flock of ducks in flight ⓘ
belongsTo Scutum Star Cloud region ⓘ
linked to: Scutum Star Cloud
bestSeenFrom Northern Hemisphere ⓘ
bestViewingSeason summer ⓘ
cataloguedBy Charles Messier ⓘ
clusterType rich open cluster ⓘ
constellation Scutum ⓘ
contains B-type main-sequence stars ⓘ
giant stars ⓘ
many F-type main-sequence stars ⓘ
coreConcentration high ⓘ
declination −06°16′ ⓘ
discoveredBy Gottfried Kirch ⓘ
discoveryMethod telescopic observation ⓘ
discoveryYear 1681 ⓘ
distanceFromEarth about 1.8 kiloparsecs ⓘ
about 6000 light-years ⓘ
galacticLatitude −2.8 degrees (approximate) ⓘ
galacticLongitude 27.3 degrees (approximate) ⓘ
hasTrumplerClassification Trumpler 2.2R ⓘ
locatedIn Galactic disk ⓘ
Milky Way ⓘ
mass several thousand solar masses ⓘ
messierNumber 11 ⓘ
metallicity near-solar ⓘ
ngcNumber 6705 ⓘ
numberOfStars several thousand ⓘ
observedIn infrared wavelengths ⓘ
optical wavelengths ⓘ
rightAscension 18h51m ⓘ
usedFor studies of mass segregation in star clusters ⓘ
studies of stellar evolution in open clusters ⓘ
visibility resolved into stars with small telescopes ⓘ
visible in binoculars under dark skies ⓘ

How these facts were elicited

Referenced by (5)

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