- 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 177
Catalog name: 12.46-1.07
Prominent object names: Sh 2-39 [glossary]
IRAS infrared sources (2): IRAS 18139-1842 = RAFGL 2107 (YSO) [11], IRAS 18139-1839 (IR) [4]
Masers: 1 water
Other component designations: RAFGL 2107, SH 2-39 (HII) [11]
Distance estimates for objects in this region
| Object | Position | Size (arcmin) | Source | Note | Distance(s) |
|---|---|---|---|---|---|
| Sh 2-39 | 12.4-1.1 | 2.41 | 2003A&A...397..213P | I | 4142 |
For more information on distance estimates see Avedisova distances.
Detailed component listing with references (8 components)
| Main object | O S 39 [1982ApJS...49..183B], O [1990AJ.....99..622F] |
| 12.45 -01.12 | R [1984A&AS...58..197R], R [1970A&AS....1..319A], R [1975A&A....42....9K], R [1994ApJS...91..111W], R [1982ApJ...252..601J], R [1990A&AS...85..805F], R [1989ApJS...71..469L], M CO [1982ApJS...49..183B], M CO [1982ApJ...252..601J] |
| 12.45 -01.11 | IR RAFGL 2107 [1983AFGL..161....0P] |
| 12.432-01.110 | IR [1984ApJ...281..225J], IR [1982ApJ...252..601J] |
| 12.432-01.119 | IR 18139-1842 [1988IRASP.C......0J] |
| 12.429-01.118 | M H2O-E [1990A&AS...84..179C], M H2O-E [1994A&A...291..261C], M H2O-E [1981ApJ...250..621J] |
| 12.432-01.111 | R [1992ApJS...80..211H], M CS [1996A&AS..115...81B], M CS [1992ApJS...78..505P] |
| 12.487-01.090 | IR 18139-1839 [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?
