Sharpless 2-190 (for associated nebula)
E480050
Sharpless 2-190 is a prominent emission nebula and active star-forming complex in the Milky Way, associated with the W4 region and shaped by massive young stars and their stellar winds.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sharpless 2-190 (for associated nebula) canonical | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
H II region
ⓘ
astronomical object ⓘ emission nebula ⓘ interstellar cloud ⓘ star-forming region ⓘ |
| associatedWith |
Heart Nebula complex
NERFINISHED
ⓘ
IC 1805 region NERFINISHED ⓘ W4 bubble ⓘ |
| catalog | Sharpless catalog of H II regions NERFINISHED ⓘ |
| catalogNumber | Sh 2-190 NERFINISHED ⓘ |
| contains |
dust lanes
ⓘ
embedded star clusters ⓘ ionized gas ⓘ molecular clouds ⓘ young stellar objects ⓘ |
| distanceEstimate | several kiloparsecs from the Sun ⓘ |
| drivenBy | OB association ⓘ |
| emits |
H-alpha line radiation
ⓘ
infrared radiation ⓘ radio continuum emission ⓘ |
| environment |
giant H II region
ⓘ
massive star-forming complex ⓘ |
| hasMedium |
interstellar dust
ⓘ
ionized hydrogen gas ⓘ |
| hasPhysicalProcess |
feedback from OB stars
ⓘ
massive star formation ⓘ photoionization ⓘ stellar wind driven bubble expansion ⓘ |
| hasRole | tracer of recent star formation in the Milky Way ⓘ |
| hasStructure |
cavity created by stellar winds
ⓘ
filamentary emission regions ⓘ shell of ionized gas ⓘ |
| isInfluencedBy |
massive O-type stars
ⓘ
stellar feedback ⓘ |
| isRegionOf | ongoing star formation ⓘ |
| locatedIn |
Milky Way
ⓘ
Perseus Arm NERFINISHED ⓘ |
| namedAfter | Stewart Sharpless NERFINISHED ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| partOf |
W3/W4/W5 complex
NERFINISHED
ⓘ
W4 region ⓘ |
| scientificInterest | laboratory for studying triggered star formation ⓘ |
| shapedBy |
ionizing radiation
ⓘ
massive young stars ⓘ stellar winds ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.