- Introduction
- Face-on map overview
- Sources
- The Cloud Hunters
- The Star Sweepers
- Things Unseen: The Westerhout radio sources
- The Avedisova catalog: A real Hitchhiker's Guide to the Galaxy?
- Avedisova glossary
- Introduction to the Milky Way Explorer
- Commentary on the Galactic Plane
- Hydrogen-alpha commentary
- Fragments
Star Formation Region Avedisova 181
Catalog name: 12.72+0.35
Prominent object names: Sh 2-40, RCW 155, IRAS 18079-1756 [glossary]
IRAS infrared sources (2): IRAS 18079-1756 (YSO) [22], IRAS 18092-1742 (IR) [19]
Masers: 1 hydroxyl, 2 water
Other component designations: RAFGL 5449, RCW 155 (HII) [1], Sh 2-40 = LBN 49 (HII) [11]
Distance estimates for objects in this region
| Object | Position | Size (arcmin) | Source | Note | Distance(s) |
|---|---|---|---|---|---|
| Sh 2-40 | 12.72+0.35 | 10.47 | 2003A&A...397..133R | I | 2400 |
| SYCSW 122A | 12.40+0.51 | 9.0x6.0 | 1987ApJS...63..821S | V | 2400, 14100 |
| SYCSW 122B | 12.62+0.40 | 6.0x3.0 | 1987ApJS...63..821S | V | 2400, 14100 |
| SYCSW 122C | 12.76+0.58 | 21.0x21.0 | 1987ApJS...63..821S | V | 2400, 14100 |
For more information on distance estimates see Avedisova distances.
Detailed component listing with references (23 components)
Acknowledgement: based on the Catalog of Star-Forming Regions in the Galaxy ( Avedisova, V. S., Astronomy Reports, Volume 46, Issue 3, March 2002, pp.193-205 [2002ARep...46..193A]). The complete catalog can be accessed here: V/112/.
For more information, read The Avedisova catalog: A real Hitchhiker's Guide to the Galaxy?
