open cluster NGC 2244
E450955
Open cluster NGC 2244 is a young, bright star cluster whose hot, massive stars illuminate and sculpt the surrounding Rosette Nebula in the constellation Monoceros.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| NGC 2244 | 0 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
deep-sky object ⓘ open star cluster ⓘ |
| age |
about 1–6 million years
ⓘ
young star cluster ⓘ |
| angularSize | about 24 arcminutes ⓘ |
| apparentMagnitudeV | about 4.8 ⓘ |
| associatedWith | Rosette Nebula NERFINISHED ⓘ |
| bestSeenFrom | Northern Hemisphere NERFINISHED ⓘ |
| bestViewingSeason | winter ⓘ |
| catalog | New General Catalogue NERFINISHED ⓘ |
| containsNotableStar |
HD 46150
NERFINISHED
ⓘ
HD 46223 NERFINISHED ⓘ |
| containsStarsOfType |
B-type stars
ⓘ
O-type stars ⓘ hot, blue stars ⓘ massive stars ⓘ |
| creates | central cavity in Rosette Nebula ⓘ |
| declination | +04° 56′ ⓘ |
| discoveredBy | John Flamsteed NERFINISHED ⓘ |
| discoveryYear | before 1690 ⓘ |
| distanceFromEarth |
about 1,600 parsecs
ⓘ
about 5,200 light-years ⓘ |
| embeddedIn | Rosette Nebula NERFINISHED ⓘ |
| galacticLatitude | about -2° ⓘ |
| galacticLongitude | about 206° ⓘ |
| hasApproximateRadius | about 10–15 light-years ⓘ |
| hasClusterCore | loose, centrally concentrated ⓘ |
| hasStellarPopulation |
main-sequence stars
ⓘ
pre-main-sequence stars ⓘ |
| ionizes | Rosette Nebula gas ⓘ |
| locatedIn |
Galactic disk
ⓘ
Milky Way ⓘ Orion Arm NERFINISHED ⓘ |
| locatedInConstellation | Monoceros NERFINISHED ⓘ |
| observedInWavelength |
X-ray
ⓘ
infrared ⓘ optical ⓘ |
| otherName | Caldwell 50 NERFINISHED ⓘ |
| partOf | Rosette star-forming region NERFINISHED ⓘ |
| rightAscension | 06h 31m ⓘ |
| sculpts | Rosette Nebula cavity ⓘ |
| stellarWindEffect | clears gas and dust from cluster center ⓘ |
| stellarWindFrom | O-type stars ⓘ |
| visibleWith |
binoculars
ⓘ
small telescope ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.