NGC 2244
E554483
NGC 2244 is a young open star cluster embedded in the Rosette Nebula, located in the constellation Monoceros.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
open star cluster
ⓘ
young star cluster ⓘ |
| age |
about 2 million years
ⓘ
between 1 and 6 million years ⓘ |
| angularSize | about 24 arcminutes ⓘ |
| apparentMagnitudeV | about 4.8 ⓘ |
| bestSeenInMonth | February ⓘ |
| catalog | New General Catalogue NERFINISHED ⓘ |
| contains |
B-type stars
ⓘ
X-ray emitting young stars ⓘ massive O-type stars ⓘ pre-main-sequence stars ⓘ |
| 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 | −2.1° ⓘ |
| galacticLongitude | 206.3° ⓘ |
| hasApproximateRadius | about 10 light-years ⓘ |
| hasCentralCavity | cleared in Rosette Nebula by stellar winds ⓘ |
| hasRadialVelocity | about +17 km/s ⓘ |
| hasRoleIn | feedback on Rosette Nebula ⓘ |
| hasSpectralTypeDominance | O and B ⓘ |
| hasStellarPopulation |
low-mass pre-main-sequence stars
ⓘ
young massive stars ⓘ |
| ionizes | Rosette Nebula gas ⓘ |
| isExampleOf |
OB association core
ⓘ
cluster embedded in H II region ⓘ |
| isIn | Galactic plane ⓘ |
| isIncludedIn | Caldwell catalogue NERFINISHED ⓘ |
| isSiteOf | ongoing star formation ⓘ |
| isTargetFor |
amateur astronomers
ⓘ
astrophotography ⓘ |
| isVisibleFrom | Northern Hemisphere NERFINISHED ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion Arm NERFINISHED ⓘ |
| locatedInConstellation | Monoceros NERFINISHED ⓘ |
| observedBy |
Chandra X-ray Observatory
NERFINISHED
ⓘ
Hubble Space Telescope NERFINISHED ⓘ Spitzer Space Telescope NERFINISHED ⓘ |
| otherDesignation |
Caldwell 50
NERFINISHED
ⓘ
Collinder 89 NERFINISHED ⓘ Melotte 50 NERFINISHED ⓘ |
| partOf | Rosette Nebula NERFINISHED ⓘ |
| rightAscension | 06h 31m ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.