star-forming region
C6324
concept
A star-forming region is a dense, often turbulent area of interstellar gas and dust where gravitational collapse leads to the birth of new stars and planetary systems.
All labels observed (30)
| Label | Occurrences |
|---|---|
| star-forming region canonical | 78 |
| H II region | 72 |
| molecular cloud complex | 13 |
| young star cluster | 12 |
| molecular cloud | 11 |
| diffuse nebula | 10 |
| star cloud | 6 |
| giant molecular cloud | 5 |
| H II region complex | 3 |
| stellar nursery | 3 |
| young massive cluster | 3 |
| young stellar object | 3 |
| giant H II region | 2 |
| giant molecular cloud complex | 2 |
| stellar association subgroup | 2 |
| dark molecular cloud | 1 |
| embedded star cluster | 1 |
| interstellar gas and dust complex | 1 |
| massive star-forming clump | 1 |
| massive star-forming complex | 1 |
| massive star-forming region | 1 |
| molecular cloud filament | 1 |
| molecular cloud subregion | 1 |
| molecularCloud | 1 |
| open cluster with nebulosity | 1 |
| star cluster complex | 1 |
| star-forming nebula | 1 |
| star-forming region complex | 1 |
| stellar cluster embedded in an H II region | 1 |
| subregion of molecular cloud | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: star-forming region
Generated description
A star-forming region is a dense, often turbulent area of interstellar gas and dust where gravitational collapse leads to the birth of new stars and planetary systems.
Instances (143)
| Instance | Via concept surface |
|---|---|
|
Taurus molecular cloud complex (projected association)
surface form:
Taurus molecular cloud complex
|
molecular cloud complex |
| Ophiuchus molecular cloud | molecular cloud |
| Lupus molecular clouds | molecular cloud complex |
| Chamaeleon molecular clouds | molecular cloud complex |
|
Lupus constellation
surface form:
Lupus dark clouds
|
molecular cloud complex |
| M42 | H II region |
| M43 | H II region |
| Barnard 33 | molecular cloud |
| NGC 1977 | H II region |
| Lynds 1641 | molecular cloud |
| Integral Shaped Filament | molecular cloud filament |
| BD+31 643 | young stellar object |
| Herbig Ae/Be stars | young stellar object |
| NGC 2024 | H II region |
| Lynds Dark Nebula 1634 | molecular cloud |
| Flame Nebula | H II region |
| Scutum Star Cloud | star cloud |
| Checkmark Nebula | — |
| M17 | H II region |
| NGC 2068 | diffuse nebula |
| NGC 2071 | — |
| Sagittarius OB association region | — |
| M16 | H II region |
|
open star cluster NGC 6611
surface form:
NGC 6611
|
young star cluster |
| IC 348 | — |
| Barnard 1 | — |
| L1448 | — |
| Perseus cloud complex | giant molecular cloud |
| W3/W4/W5 complex | star-forming region complex |
| W3 Main | — |
| W3(OH) | — |
| W3 North | — |
| W3 | molecular cloud complex |
| IC 1590 | young star cluster |
| Swan Nebula | H II region |
| NGC 1333 | — |
| Barnard 5 | dark molecular cloud |
| W5 H II region | H II region |
| M8 | H II region |
| Hourglass Nebula region | — |
| W75N star-forming region | — |
| S106 nebula | — |
| Cygnus X complex | — |
| M24 | star cloud |
| IC 4715 | star cloud |
|
open cluster IC 1805
surface form:
IC 1805
|
young massive cluster |
| W4 | — |
|
Sharpless 2-190 (for associated nebula)
surface form:
Sharpless 2-190
|
H II region |
| NGC 2011 | young star cluster |
| IC 1805 | H II region |