- 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 499
Catalog name: 28.82-0.23
Prominent object names: [L89b] 28.82-0.23, [WHR97] 18421-0348, [ADP79] 28.82-0.23 [glossary]
IRAS infrared sources (1): IRAS 18421-0348 = [WHR97] 18421-0348 (HII) [21]
Masers: 2 hydroxyl, 1 water, 2 methanol
Distance estimates for objects in this region
| Object | Position | Size (arcmin) | Source | Note | Distance(s) |
|---|---|---|---|---|---|
| SYCSW 722E | 28.60-0.20 | 3.0x3.0 | 1987ApJS...63..821S | V | 5800, 8900 |
| [L89b] 28.823-0.226 | 28.823-0.226 | 2009ApJ...690..706A | V | 5500 | |
| SRBY 154 | 28.85-0.25 | 13.19 | 1987ApJ...319..730S | P | 6300 |
For more information on distance estimates see Avedisova distances.
Detailed component listing with references (9 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?
