Star Formation Region Avedisova 9

Catalog name: 0.33-0.19

Prominent object names: Sh 2-20, RCW 141, ESO 455-39 [glossary]

IRAS infrared sources (1): IRAS 17439-2845 = ESO 455-39 (HII) [74]

Masers: 1 methanol

Other component designations: RCW 141 = ESO 455-39 (HII) [74], Sh 2-20 = ESO 455-39 (HII) [74]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
Sh 2-20 0.33-0.194.36 2003A&A...397..133R I 1500

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (7 components)

Main objectO S 20,RCW 141 [1976A&A....51..289B], O [1990AJ.....99..622F]
0.314-00.199R S36 [1989A&AS...81..291S]
0.32 -00.21IR FIR 19 [1984ApJ...283..601O], M CO [1982ApJS...49..183B]
0.314-00.199IR 17439-2845 [1988IRASP.C......0J], M CS [1996A&AS..115...81B]
0.315-00.201M CH3OH-E A [1998MNRAS.301..640W], M CH3OH-E B [1998MNRAS.301..640W], M CH3OH-E C [1998MNRAS.301..640W], M CH3OH-E D [1998MNRAS.301..640W], M CH3OH-E E [1998MNRAS.301..640W], M CH3OH-E F [1998MNRAS.301..640W], M CH3OH-E G [1998MNRAS.301..640W], M CH3OH-E [1996MNRAS.283..606C], M CH3OH-E [1995PASA...12..186W], M CH3OH-E [1995A&AS..110...81V], M CH3OH-E [1994MNRAS.269..257G]
0.313-00.204R <U> [1998MNRAS.301..640W]
0.316-00.202R <U> [1998MNRAS.301..640W]

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?