Statements (60)
Predicate | Object |
---|---|
gptkbp:instanceOf |
stellar association
|
gptkbp:age |
approximately 3 million years
|
gptkbp:associatedWith |
gptkb:Cygnus_constellation
|
gptkbp:contains |
gptkb:Wolf-Rayet_stars
massive stars |
gptkbp:established |
astronomers
|
gptkbp:features |
star formation regions
|
gptkbp:hasFacilities |
several thousand solar masses
|
gptkbp:hasMember |
young stars
|
gptkbp:hasStudentOrganizations |
other_OB_associations
|
https://www.w3.org/2000/01/rdf-schema#label |
Cygnus OB18 association
|
gptkbp:includes |
gptkb:Cygnus_X-1
|
gptkbp:isAccessibleBy |
yes
|
gptkbp:isAssociatedWith |
supernova remnants
cosmic rays H II regions gamma-ray sources nebulae. |
gptkbp:isCharacterizedBy |
high stellar density
|
gptkbp:isConnectedTo |
stellar populations
stellar nurseries interstellar dust |
gptkbp:isHomeTo |
young stellar objects
blue supergiants massive star clusters hot stars massive star binaries massive star systems |
gptkbp:isImportantFor |
stellar evolution studies
|
gptkbp:isInfluencedBy |
Galactic_magnetic_fields
Galactic_rotation Galactic_winds |
gptkbp:isKnownFor |
massive star formation
stellar winds high-energy phenomena high luminosity stars stellar feedback mechanisms |
gptkbp:isLocatedIn |
Galactic_disk
|
gptkbp:isLocatedNear |
gptkb:Cygnus_OB7
gptkb:Cygnus_OB2 |
gptkbp:isPartOf |
gptkb:Cygnus_constellation
Galactic plane star formation history star-forming region Cygnus region Galactic_ecology Galactic_star_formation_regions Galactic_structure |
gptkbp:isRelatedTo |
interstellar medium
|
gptkbp:isServedBy |
infrared_wavelengths
|
gptkbp:isStudiedIn |
astrophysics
stellar dynamics stellar interactions mass loss in stars star cluster formation stellar evolution pathways stellar lifecycle stages |
gptkbp:length |
approximately 1,500 light years
|
gptkbp:locatedIn |
Milky Way
|
gptkbp:type |
gptkb:OB_association
|