Hourglass Nebula region
E479069
The Hourglass Nebula region is a bright, compact star-forming core within the Lagoon Nebula, notable for its dense gas, dust, and intense radiation from young massive stars.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Hourglass Nebula | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
H II region
ⓘ
astronomical object ⓘ star-forming region ⓘ |
| appearsIn | wide-field images of the Lagoon Nebula ⓘ |
| associatedWith | large-scale Lagoon Nebula molecular cloud complex ⓘ |
| bestObservedDuring | northern summer months ⓘ |
| catalogedAs | bright core of Messier 8 ⓘ |
| contains |
embedded young stellar objects
ⓘ
protoplanetary disks ⓘ protostars ⓘ |
| discoveredBy | optical astronomers in the 20th century ⓘ |
| distanceFromEarth | approximately 4100 light-years ⓘ |
| emits |
H-alpha line radiation
ⓘ
infrared radiation from warm dust ⓘ optical emission lines ⓘ radio continuum from ionized gas ⓘ |
| hasActivity |
intense star formation
ⓘ
massive star formation ⓘ |
| hasColor |
dark lanes due to dust absorption
ⓘ
reddish due to hydrogen emission ⓘ |
| hasComponent |
dense molecular gas
ⓘ
interstellar dust ⓘ ionized hydrogen gas ⓘ |
| hasEnvironment |
intense ultraviolet radiation field
ⓘ
strong stellar winds ⓘ |
| hasMorphology | hourglass-shaped nebular structure ⓘ |
| hasNearbyObject | open cluster NGC 6530 NERFINISHED ⓘ |
| hasProcess |
gas compression by stellar winds
ⓘ
gas ionization ⓘ ongoing gravitational collapse of dense cores ⓘ |
| hasProperty |
bright
ⓘ
compact ⓘ high dust extinction ⓘ high gas density ⓘ high surface brightness ⓘ |
| hasRole | core star-forming region of the Lagoon Nebula ⓘ |
| hasShape | bipolar nebular structure ⓘ |
| illuminatedBy | young massive stars ⓘ |
| ionizedBy | ultraviolet radiation from massive stars ⓘ |
| locatedIn |
Milky Way galaxy
NERFINISHED
ⓘ
Sagittarius constellation NERFINISHED ⓘ |
| observedIn |
infrared wavelengths
ⓘ
optical wavelengths ⓘ radio wavelengths ⓘ |
| partOf | Lagoon Nebula NERFINISHED ⓘ |
| studiedFor |
feedback effects of massive stars on molecular clouds
ⓘ
massive star formation mechanisms ⓘ |
| visibleFrom | Southern Hemisphere NERFINISHED ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.