- 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 2254
Catalog name: 274.05-1.27
Prominent object names: RCW 42, Gum 26 [glossary]
IRAS infrared sources (2): IRAS 09227-5146 = ESO 212-6 (HII) [15], IRAS 09230-5148 (IR) [3]
Other component designations: Bran 263 = GUM 26 (HII) [30], GUM 26 (HII) [30], RCW 42 = GUM 26 (HII) [30]
Distance estimates for objects in this region
| Object | Position | Size (arcmin) | Source | Note | Distance(s) |
|---|---|---|---|---|---|
| RCW 42 | 274.01-1.14 | 11.17 | 2004MNRAS.355..899C | I | 6400 |
| WB89 1275 | 1989A&AS...80..149W | I | 6380 | ||
| [CH87] 274.013-1.141 | 274.013-1.141 | 2.2x 2.2 | 1987A&A...171..261C | V | 7100 |
For more information on distance estimates see Avedisova distances.
Detailed component listing with references (6 components)
| Main object | O RCW 42 [1975PhDT.......119G], O Gum 26 [1955MmRAS..67..155G], O BBW 263 [1986A&AS...65..537B], M CO [1978A&A....68....1G], M CO [1982PASAu...4..434W], M CO [1977A&A....60..221G], M CO [1984A&A...139..181B], M H2CO [1974A&A....37..389W] |
| 274.01 -01.14 | R [1972AuJPh..25..443C], R [1987A&A...171..261C], R [1994ApJS...91..111W], R [1972AuJPA..25....1D], R [1979AuJPA..48....1H], M H2CO [1987A&A...171..261C], M H2CO [1984MNRAS.210...23G], M OH-A [1974AuJPh..27..597C], M CS [1978MNRAS.183..711G], M HCO+ [1981MNRAS.194..911B], IR [1978A&A....70L...1A] |
| 274.006-01.147 | IR 09227-5146 [1988IRASP.C......0J], M CO [1989A&AS...80..149W], M CS [1996A&AS..115...81B] |
| 274.004-01.144 | R <I> [1998MNRAS.301..640W] |
| 274.004-01.146 | IR IRS 3 [1977ApJ...213..723F], IR IRS [1976ApJ...208..753P], IR IRS [1977ApJ...213..723F] |
| 274.062-01.147 | IR 09230-5148 [1988IRASP.C......0J] |
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?
