- 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 91
Catalog name: 6.99-0.17
Prominent object names: Sh 2-30, RCW 147, Gum 76, M 20 [glossary]
Westerhout radio sources: W 28 H
IRAS infrared sources (2): IRAS 17594-2305 (IR) [1], IRAS 17594-2303 (IR) [1]
Other component designations: Gum 76 = HD 164492 (*in**) [144], M 20 (HII) [211], NGC 6514 = M 20 (HII) [211], RAFGL 2050, RCW 147 (HII) [3], SH 2-30 (HII) [9]
Distance estimates for objects in this region
| Object | Position | Size (arcmin) | Source | Note | Distance(s) |
|---|---|---|---|---|---|
| Sh 2-30 | 7-0.2 | 4.9 | 2003A&A...397..213P | I | 3010 |
For more information on distance estimates see Avedisova distances.
Detailed component listing with references (8 components)
| Main object | O S 30,M 20,Gu m 76 [1970A&A.....6..349G], O TRIFID,RCW 1 47 [1970A&A.....6..349G], O [1990AJ.....99..622F], IR [CII] peak [1998ApJS..115..259N] |
| 6.99 -00.25 | O NGC 6514 cluster [87065], R W 28 H [1970AuJPA..14..133S], R [1990A&AS...83..539R], R [1970A&AS....1..319A], R [1970AuJPA..13....3G], R [1984A&AS...58..197R], R [1975ApJ...199..647C], R [1994ApJS...91..111W], R [1979A&AS...35...23A], R [1980A&AS...40..379D], R [1970A&A.....4..357R], R [2000AJ....119.2801L], R [1990A&AS...85..805F], R [1989ApJS...71..469L], R [2000ApJ...535..231R] |
| 6.89 -00.26 | M H2CO max 2,SW [1975ApJ...199..647C], M H2CO [1974A&A....37..389W], M H2CO [1972A&A....19..354W], M OH-A [1979A&AS...37....1T] |
| 6.93 -00.24 | M H2CO max 1 [1975ApJ...199..647C], M OH-A [1975ApJ...199..647C] |
| 6.97 -00.25 | IR*RAFGL 2050 [1983AFGL..161....0P] |
| 6.960-00.314 | IR 17594-2305 [1988IRASP.C......0J] |
| 6.979-00.291 | O HH399 [2000yCat.5104....0R] |
| 6.984-00.279 | IR 17594-2303 [1988IRASP.C......0J], M CO [1974ApJ...191..357W] |
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?
