Cepheus OB2 association
E492802
The Cepheus OB2 association is a large, young stellar grouping in the constellation Cepheus, containing numerous massive O- and B-type stars and active star-forming regions.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
OB association
ⓘ
stellar association ⓘ |
| age | a few million years ⓘ |
| ageGroup | young stellar population ⓘ |
| angularExtent | several degrees on the sky ⓘ |
| catalogDesignation | Cep OB2 NERFINISHED ⓘ |
| constellation | Cepheus NERFINISHED ⓘ |
| contains |
Cepheus Bubble
NERFINISHED
ⓘ
H II regions ⓘ Herbig Ae/Be stars ⓘ IC 1396 H II region NERFINISHED ⓘ IC 1396A Elephant Trunk Nebula NERFINISHED ⓘ T Tauri stars ⓘ active star-forming regions ⓘ massive B-type stars ⓘ massive O-type stars ⓘ molecular clouds ⓘ open cluster NGC 7160 NERFINISHED ⓘ open cluster Trumpler 37 NERFINISHED ⓘ pre-main-sequence stars ⓘ reflection nebulae ⓘ young stellar objects ⓘ |
| discoveredBy | early 20th century stellar surveys ⓘ |
| distanceFromEarth |
approximately 2600 to 3300 light-years
ⓘ
approximately 800 to 1000 parsecs ⓘ |
| feedbackProcesses |
stellar winds from massive stars
ⓘ
supernova explosions ⓘ |
| galacticEnvironment | local spiral arm segment near the Sun ⓘ |
| hasMember |
massive star HD 206183
ⓘ
massive star HD 206267 NERFINISHED ⓘ massive star HD 239710 NERFINISHED ⓘ |
| hasSubgroup |
Cep OB2a
NERFINISHED
ⓘ
Cep OB2b NERFINISHED ⓘ |
| influences | surrounding molecular clouds ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion Arm NERFINISHED ⓘ |
| observedIn |
X-ray wavelengths
ⓘ
infrared wavelengths ⓘ optical wavelengths ⓘ |
| researchTopic |
circumstellar disks in young clusters
ⓘ
evolution of OB associations ⓘ massive star formation ⓘ triggered star formation ⓘ |
| skyLocation | northern celestial hemisphere ⓘ |
| starFormationActivity | ongoing ⓘ |
| starFormationHistory | sequential star formation ⓘ |
| stellarPopulation |
low-mass pre-main-sequence stars
ⓘ
massive OB stars ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.