Sh 2-275
E450953
Sh 2-275 is a large, circular emission nebula in the constellation Monoceros, notable for its active star-forming region and striking rosette-like appearance.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
H II region
ⓘ
deep-sky object ⓘ emission nebula ⓘ star-forming region ⓘ |
| alsoKnownAs |
Rosette Nebula
NERFINISHED
ⓘ
Sh2-275 NERFINISHED ⓘ Sharpless 2-275 NERFINISHED ⓘ |
| associatedWith | NGC 2244 NERFINISHED ⓘ |
| contains |
Bok globules
NERFINISHED
ⓘ
molecular clouds ⓘ open cluster NGC 2244 NERFINISHED ⓘ protostars ⓘ young stellar objects ⓘ |
| discoveredBy | John Herschel (nebular region around NGC 2244) NERFINISHED ⓘ |
| excitedBy | young massive stars ⓘ |
| hasAge | a few million years (ionizing cluster NGC 2244) ⓘ |
| hasAlternativeDesignation |
Caldwell 49
NERFINISHED
ⓘ
LBN 948 NERFINISHED ⓘ SNR G206.3-02.1 (historical association, not a supernova remnant) ⓘ |
| hasAngularSize | about 1.3 degrees ⓘ |
| hasApparentMagnitude | 9.0 ⓘ |
| hasAppearance | rosette-like ⓘ |
| hasCatalogNumber | Sh 2-275 NERFINISHED ⓘ |
| hasCentralRegion | open cluster NGC 2244 NERFINISHED ⓘ |
| hasColor | reddish ⓘ |
| hasDeclination | +04° 57′ ⓘ |
| hasDistanceFromEarth |
about 1.6 kiloparsecs
ⓘ
about 5200 light-years ⓘ |
| hasDominantEmissionLine |
H-alpha
ⓘ
[O III] ⓘ [S II] ⓘ |
| hasMorphology | large circular nebula ⓘ |
| hasRightAscension | 06h 31m ⓘ |
| ionizedBy | OB stars in NGC 2244 ⓘ |
| isCataloguedIn |
Sharpless 2 catalog
NERFINISHED
ⓘ
Sharpless catalog NERFINISHED ⓘ |
| isPopularTargetFor |
amateur astronomers
ⓘ
astrophotographers ⓘ |
| isRegionOf | active star formation ⓘ |
| locatedIn | Orion Arm NERFINISHED ⓘ |
| locatedInConstellation | Monoceros NERFINISHED ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| partOf | Milky Way NERFINISHED ⓘ |
| visibleIn |
Northern Hemisphere winter sky
ⓘ
Southern Hemisphere summer sky ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.