Star Formation Region Avedisova 2857

Catalog name: 340.79-1.01

Prominent object names: RCW 110, RCW 111, Gum 54 [glossary]

IRAS infrared sources (5): IRAS 16506-4512 = [WBH98] 16506-4512 (HII) [12], IRAS 16503-4503 (IR) [0], IRAS 16500-4500 = HD 152133 (Star) [0], IRAS 16512-4503 (IR) [0], IRAS 16513-4500 (IR) [0]

Masers: 1 hydroxyl, 1 water

Other component designations: GUM 54 (HII) [5], RCW 110 (HII) [14], RCW 111 (HII) [7]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
RCW 110 340.79-1.012.29 1996A&AS..120...41G I 2250
RCW 111 341.1-13.64 1996A&AS..120...41G I 2500
[CH87] 340.777-1.008 340.777-1.008 5. x 3. 1987A&A...171..261C V 2500, 16400

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (16 components)

Main objectO Gum 54,RCW11 0/RCW11 [1975PhDT.......119G], O RCW 110B [1975PhDT.......119G], O [1994A&AS..108..513G]
340.88 -01.16O Lynga 14 cluster [87065]
340.79 -01.02R [1970AuJPA..14..133S], R [1987A&A...171..261C], R [1969AuJPA..11...19T], R [1994ApJS...91..111W], R [1970A&AS....1..319A], R [1970A&A.....6..364W], R [1969AuJPA..12....3M], M CO [1982PASAu...4..434W], M CO [1994A&AS..108..513G], M H2CO [1984MNRAS.210...23G], M H2CO [1974A&A....37..389W], M NH3 [2000A&A...355.1115V], M OH-A [1974AuJPh..27..597C], M OH-A [1979A&AS...37....1T], M NH3 [1981AJ.....86.1939S], M CH3OH-A [1992MNRAS.254..301P]
340.78 -01.00IR [1978A&A....70L...1A]
340.787-01.020IR 16506-4512 [1988IRASP.C......0J], M CS [1996A&AS..115...81B]
340.784-00.990M OH-E [1979A&AS...37....1T]
340.790-01.020R <P> [1998MNRAS.301..640W]
340.790-01.019IR IRS [1977ApJ...213..723F], IR IRS [1976ApJ...208..753P]
340.88 -00.80O RCW 110 [1960MNRAS.121..103R], O [1994A&AS..108..513G]
340.862-00.877IR 16503-4503 [1988IRASP.C......0J]
340.875-00.808IR 16500-4500 [1988IRASP.C......0J]
340.956-01.095R [1994ApJS...91..111W]
340.99 -01.04O [1994A&AS..108..513G]
340.978-01.006IR 16512-4503 [1988IRASP.C......0J], M H2O-E [1989A&A...221..105S]
341.05 -01.00O RCW 111 [1960MNRAS.121..103R]
341.029-00.984IR 16513-4500 [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?