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.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | open star cluster ⓘ |
| alternativeName |
Caldwell 64
NERFINISHED
ⓘ
Messier 41 NERFINISHED ⓘ NGC 2287 NERFINISHED ⓘ |
| angularSize | 38 arcminutes ⓘ |
| apparentMagnitudeV | 4.5 ⓘ |
| approximateAge | about 190 million years ⓘ |
| bestSeenFromHemisphere |
Southern Hemisphere
NERFINISHED
ⓘ
low northern latitudes ⓘ |
| cataloguedBy | Charles Messier NERFINISHED ⓘ |
| catalogueNumber |
Caldwell 64
NERFINISHED
ⓘ
M41 ⓘ NGC 2287 NERFINISHED ⓘ |
| concentrationClass | Trumpler class I3r NERFINISHED ⓘ |
| containsStarType |
B-type main-sequence stars
ⓘ
red giant stars ⓘ |
| coreRadius | about 4.4 light-years ⓘ |
| declination | −20° 44′ ⓘ |
| discoveredBy | Giovanni Batista Hodierna NERFINISHED ⓘ |
| 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
NERFINISHED
ⓘ
Messier Catalogue NERFINISHED ⓘ New General Catalogue NERFINISHED ⓘ |
| liesSouthOfStar | Sirius NERFINISHED ⓘ |
| locatedInConstellation | Canis Major NERFINISHED ⓘ |
| locatedInGalaxy | Milky Way NERFINISHED ⓘ |
| 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 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.