M41

E506491

M41 is an open star cluster in the constellation Canis Major, visible to the naked eye and notable for its bright, scattered stars.

All labels observed (1)

Label Occurrences
M41 canonical 3

How this entity was disambiguated

Statements (44)

Predicate Object
instanceOf open star cluster ⓘ
alternativeName Caldwell 64 ⓘ
Messier 41 ⓘ
NGC 2287 ⓘ
angularSize 38 arcminutes ⓘ
apparentMagnitudeV 4.5 ⓘ
approximateAge about 190 million years ⓘ
bestSeenFromHemisphere Southern Hemisphere ⓘ
low northern latitudes ⓘ
cataloguedBy Charles Messier ⓘ
catalogueNumber Caldwell 64 ⓘ
M41 ⓘ
NGC 2287 ⓘ
concentrationClass Trumpler class I3r ⓘ
containsStarType B-type main-sequence stars ⓘ
red giant stars ⓘ
coreRadius about 4.4 light-years ⓘ
declination −20° 44′ ⓘ
discoveredBy Giovanni Batista Hodierna ⓘ
discovererNationality Italian ⓘ
discoveryYear before 1654 ⓘ
distanceFromEarth about 2300 light-years ⓘ
about 700 parsecs ⓘ
estimatedNumberOfStars about 100 ⓘ
galacticLatitude −20.7 degrees ⓘ
galacticLongitude 227.1 degrees ⓘ
galacticPopulation thin disk ⓘ
hasColorIndexBminusV +0.23 ⓘ
includedInCatalogue Caldwell Catalogue ⓘ
linked to: Caldwell catalogue

Messier Catalogue ⓘ
linked to: Messier catalogue

New General Catalogue ⓘ
liesSouthOfStar Sirius ⓘ
locatedInConstellation Canis Major ⓘ
locatedInGalaxy Milky Way ⓘ
metallicityRelativeToSun near-solar ⓘ
notableFor bright scattered stars ⓘ
prominent red giant near center ⓘ
observedInWavelength infrared ⓘ
optical ⓘ
observingSeason winter in Northern Hemisphere ⓘ
rightAscension 06h 46m ⓘ
separationFromSirius about 4 degrees ⓘ
tidalRadius about 25 light-years ⓘ
visibleToNakedEye true ⓘ

How these facts were elicited

Referenced by (3)

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