- 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 800
Catalog name: 49.44-0.46
Prominent object names: [L89b] 49.44-0.46, [M94] 49.5 -0.4 a, W51A, W51A [glossary]
Westerhout radio sources: W51A = [M94] 49.5 -0.4 a (PartofCloud) [77]
IRAS infrared sources (2): IRAS 19216+1416 (IR) [1], IRAS 19216+1419 (IR) [1]
Distance estimates for objects in this region
| Object | Position | Size (arcmin) | Source | Note | Distance(s) |
|---|---|---|---|---|---|
| SYCSW 1192F | 49.43-0.50 | 6.0x3.0 | 1987ApJS...63..821S | V | 5500 |
| [L89b] 49.437-0.465 | 49.437-0.465 | 2009ApJ...690..706A | V | 5500 |
For more information on distance estimates see Avedisova distances.
Detailed component listing with references (5 components)
| Main object | R W51A [1980A&AS...40..379D], R [1979A&AS...35...23A], R [1979A&A....75..365P], R [1989ApJS...71..469L], R H110(alpha) [1991RMxAA..22...19P], R H138(beta) [1991RMxAA..22...19P], M CO [1991RMxAA..22...19P], M H2CO [1980A&AS...40..379D] |
| 49.43 -00.20 | M CO cloud [1987ApJS...63..821S] |
| 49.398-00.487 | IR 19216+1416 [1988IRASP.C......0J] |
| 49.400-00.491 | R [1994ApJS...91..713M] |
| 49.436-00.463 | IR 19216+1419 [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?
