Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
infrared source |
| gptkbp:alsoKnownAs |
IRAS 20050+2720
|
| gptkbp:cataloguedIn |
AFGL (Air Force Geophysics Laboratory) catalogue
|
| gptkbp:contains |
massive protostar
|
| gptkbp:discoveredIn |
1970s
|
| gptkbp:distanceFromEarth |
~3300 parsecs
|
| gptkbp:hasAssociatedCluster |
young stellar objects
|
| gptkbp:hasCentralStarMass |
~16 M☉
|
| gptkbp:hasEnvelopeMass |
~400 M☉
|
| gptkbp:hasMaserEmission |
hydroxyl maser
methanol maser water maser |
| https://www.w3.org/2000/01/rdf-schema#label |
AFGL 2591
|
| gptkbp:locatedIn |
gptkb:Cygnus_constellation
|
| gptkbp:luminosity |
~2×10^4 L☉
|
| gptkbp:observedBy |
gptkb:Herschel_Space_Observatory
gptkb:Spitzer_Space_Telescope VLA (Very Large Array) |
| gptkbp:outflow |
molecular outflow
|
| gptkbp:spectralType |
B0
|
| gptkbp:bfsParent |
gptkb:Cygnus_X_star-forming_complex
gptkb:Cygnus_molecular_cloud_complex |
| gptkbp:bfsLayer |
7
|