Star Formation Region Avedisova 269

Catalog name: 18.18-0.30

Prominent object names: Sh 2-53, RCW 166, IRAS 18222-1317 [glossary]

IRAS infrared sources (4): IRAS 18222-1317 (IR) [14], IRAS 18226-1318 (IR) [6], IRAS 18219-1311 (IR) [7], IRAS 18224-1311 (IR) [7]

Masers: 1 methanol

Other component designations: RAFGL 2147, RAFGL 4237, RCW 166 (HII) [6], SH 2-53 (HII) [11]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
Sh 2-53 18.2-0.39.39 2003A&A...397..213P I 3798
SYCSW 206 18.20-0.703.0x3.0 1987ApJS...63..821S V 3900, 12200
SYCSW 204 18.43-0.2887.0x57.0 1987ApJS...63..821S V 3900, 12200
SYCSW 204D 18.15-0.3215.0x21.0 1987ApJS...63..821S V 3900, 12200
[L89b] 18.185-0.397 18.185-0.397 2009ApJ...690..706A V 3600
[L89b] 18.197-0.181 18.197-0.181 2009ApJ...690..706A V 12400
[L89b] 18.258-0.297 18.258-0.297 2009ApJ...690..706A V 4000
SRBY 63 18.15-0.321.38 1987ApJ...319..730S P 4900

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (24 components)

Main objectO S 53,RCW 166 [1973A&A....25..337G], O [1990AJ.....99..622F]
18.16 -00.40M CO cloud [1987ApJS...63..821S]
18.43 -00.28M CO cloud [1987ApJS...63..821S]
18.18 -00.28R [1990A&AS...83..539R], R [1970A&AS....1..319A], R [1994ApJS...91..111W], R [2000AJ....119.2801L]
18.21 -00.29IR [1984ApJ...285...74H]
18.15 -00.32M CO D [1987ApJS...63..821S], M CO cloud [1987ApJ...319..730S], M CO [1982ApJS...49..183B], M CO peak [1995ARep...39..147K], IR [CII] peak [1998ApJS..115..259N]
18.24 -00.40IR RAFGL 4237 [1983AFGL..161....0P]
18.143-00.289R S 53C [1989ApJ...338..152K], R [1989ApJ...338..152K], R [1979A&AS...35...23A], R [1980A&AS...40..379D], R [1978A&A....70..719C], R [1987PASJ...39..709H], R [1984A&AS...58..197R], R [1983A&A...127..211W], R [1989ApJS...71..469L]
18.09 -00.31IR [1984MNRAS.206...13H]
18.128-00.285IR [1984MNRAS.206...13H]
18.14 -00.27IR RAFGL 2147 [1983AFGL..161....0P], M H2CO [1980A&AS...40..379D], M CO [1973ApJ...186..529S], M OH-A [1979A&AS...37....1T]
18.146-00.290IR 18222-1317 [1988IRASP.C......0J], IR [1984MNRAS.206...13H], M OH-E [1997A&A...325..255B], M CS [1996A&AS..115...81B]
18.151-00.281R [1994ApJS...91..347B]
18.147-00.282R [1990ApJS...74..181Z], R [1994ApJS...91..347B], R <C> [1994ApJS...91..659K]
18.185-00.397R S 53B [1980A&AS...40..379D], R [1989ApJ...338..152K], R [1979A&AS...35...23A], R [1984A&AS...58..197R], R [1989ApJS...71..469L], R H110(alpha) [1991RMxAA..22...19P], R H138(beta) [1991RMxAA..22...19P], M CO [1991RMxAA..22...19P]
18.184-00.396IR 18226-1318 [1988IRASP.C......0J], IR [1984MNRAS.206...13H]
18.20 -00.18R [1979A&AS...35...23A], R [1980A&AS...40..379D], R [1989ApJS...71..469L]
18.205-00.184IR 18219-1311 [1988IRASP.C......0J]
18.212-00.171IR [1984MNRAS.206...13H]
18.231-00.254R S 53E [1980A&AS...40..379D], R [1989ApJ...338..152K], R [1979A&AS...35...23A]
18.221-00.269IR [1984MNRAS.206...13H], M H2CO [1980A&AS...40..379D]
18.254-00.247IR [1984MNRAS.206...13H]
18.258-00.297R S 53D [1980A&AS...40..379D], R [1989ApJ...338..152K], R [1990A&AS...85..805F], R [1979A&AS...35...23A], R [1984A&AS...58..197R], R [2000AJ....119.2801L], R [1989ApJS...71..469L]
18.266-00.291IR 18224-1311 [1988IRASP.C......0J], IR [1984MNRAS.206...13H], M CH3OH-E [2000A&AS..143..269S], M H2CO [1980A&AS...40..379D]

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?