Star Formation Region Avedisova 2171

Catalog name: 265.12+1.44

Prominent object names: RCW 36, Gum 20, SNR G265.1+01.5 [glossary]

IRAS infrared sources (11): IRAS 08558-4230 (IR) [0], IRAS 08563-4225 (IR) [9], IRAS 08562-4229 (IR) [1], IRAS 08559-4238 (IR) [1], IRAS 08562-4238 (IR) [0], IRAS 08574-4254 (IR) [1], IRAS 08576-4314 (IR) [8], IRAS 08575-4330 (IR) [3], IRAS 08576-4334 = [WBH98] 08576-4334 (HII) [23], IRAS 08588-4347 (IR) [4], IRAS 08587-4419 (IR) [3]

Masers: 1 hydroxyl, 1 water

Other component designations: Bran 210 = VdBH 27b (*inNeb) [10], Bran 217 = SNR G265.1+01.5 (SNR) [54], Gum 20 = SNR G265.1+01.5 (SNR) [54], RCW 36 = SNR G265.1+01.5 (SNR) [54], VDBH27 = VdBH 27 (RfNeb) [2]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
RCW 36 265.08+1.41.22 2004ApJ...614..818B I 700
WB89 1209 1989A&AS...80..149W I 1770
WB89 1213 1989A&AS...80..149W I 1670
WB89 1215 1989A&AS...80..149W I 1590
WB89 1217 1989A&AS...80..149W I 1310
[CH87] 264.293+1.475 264.293+1.475 1.5x 1.5 1987A&A...171..261C V 2400
[CH87] 265.151+1.454 265.151+1.454 2.6x 2.6 1987A&A...171..261C V 900

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (43 components)

Main objectO RCW 36,Gum 2 0 [1973A&A....25..337G], D DC 64 [1984A&AS...58..365F]
265.1 +01.4M H2CO DC264.3 [1980MNRAS.191..533G]
264.13 +01.88O BBW 210A [1986A&AS...65..537B]
265.079+01.405O *RCW 36 [1993ApJS...87..217S]
264.135+01.898IR 08558-4230 [1988IRASP.C......0J]
264.17 +01.95O VBH 27B,BBW 210C [1986A&AS...65..537B]
264.143+02.019IR 08563-4225 [1988IRASP.C......0J]
264.144+02.020IR IRS31/2 [1992A&A...265..577L], M CO [1989A&AS...80..149W], M CS [1992A&A...265..577L]
264.177+01.957IR 08562-4229 [1988IRASP.C......0J], M CO [1978A&A....68....1G]
264.250+01.817IR 08559-4238 [1988IRASP.C......0J], M CS [1996A&AS..115...81B]
264.27 +01.86O VBH 27A,BBW 210B [1986A&AS...65..537B], M CO [1978A&A....68....1G]
264.279+01.867IR 08562-4238 [1988IRASP.C......0J]
264.22 +01.92M H2CO a [1984MNRAS.210...23G]
264.637+01.851IR 08574-4254 [1988IRASP.C......0J], M CO [1989A&AS...80..149W]
264.901+01.658IR 08576-4314 [1988IRASP.C......0J]
264.904+01.656IR IRS33 [1992A&A...265..577L], M CS peak [1992A&A...265..577L]
264.89 +01.67M H2CO b [1984MNRAS.210...23G]
265.07 +01.41O BBW 217 [1986A&AS...65..537B], M CO [1978A&A....68....1G]
265.14 +01.45R [1970AuJPA..14..133S], R [1960PASP...72..331W], R [1994ApJS...91..111W], R [1970AuJPA..14....1G], R [1968AuJPh..21..881G], R [1987A&A...171..261C], R [1970A&A.....6..364W], R [1975AuJPh..28..185M], R [1972AuJPA..25....1D], R [1969AuJPA..11...35M], R (H 126A) [1968AuJPh..21..149M]
265.18 +01.43IR [1975ApJ...202..400F], M CI [1999ApJ...517..282H], M CO [1977A&A....60..221G], M CO [1982PASAu...4..434W], M CO [1984A&A...139..181B], M H2CO [1974A&A....37..389W], M H2CO [1984MNRAS.210...23G], M CH [1978MNRAS.184..235W], M NH3 [2000A&A...355.1115V], M CS [1978MNRAS.183..711G], M HCN [1978MNRAS.185P..33W], M H2CO [1987A&A...171..261C], M CH [1976AuJPh..29..211G], M CH3OH-A [1992MNRAS.254..301P], M OH-A [1979A&AS...37....1T], M OH-A [1974AuJPh..27..597C], M OH-A [1970AuJPh..23..751M], M OH-A [1967AuJPh..20..407M], M OH-A [1970ApL.....6...99T], M HCO+ [1981MNRAS.194..911B]
265.08 +01.44D GL 42 [1984A&AS...58..365F]
265.10 +01.49IR S2 [1994A&A...284..936V]
265.093+01.473IR 08575-4330 [1988IRASP.C......0J]
265.101+01.471IR IRS32/2 [1992A&A...265..577L], M CS peak [1992A&A...265..577L]
265.116+01.460M OH-E [1979A&AS...37....1T], M OH-E [1970ApL.....6...99T], M OH-E [1967AuJPh..20..407M]
265.122+01.458O *bran 217(HA EBE,F) [1994A&AS..104..315T]
265.124+01.461IR* [1994A&A...291..546H]
265.122+01.458IR IR 1 [1982A&A...111...91B]
265.141+01.458IR IR 3 [1982A&A...111...91B]
265.139+01.446M H2O-E [1989AuJPh..42..331C], M H2O-E [1982A&A...107..272B]
265.140+01.450IR S1 [1994A&A...284..936V]
265.154+01.438IR S3 [1994A&A...284..936V]
265.148+01.443IR 08576-4334 [1988IRASP.C......0J], IR 08576-4334 [1994A&A...284..936V], M CS [1989A&AS...80..149W], M CS [1996A&AS..115...81B], M CS [1995A&AS..111...95Z], M CS-E [1995A&AS..111...95Z], M CS-A [1992A&A...265..577L]
265.148+01.449IR IR 2 [1982A&A...111...91B]
265.21 +01.46IR S4 [1994A&A...284..936V]
265.24 +01.71IR S6 [1994A&A...284..936V]
265.26 +01.48IR S5 [1994A&A...284..936V]
265.463+01.455IR 08588-4347 [1988IRASP.C......0J], M CS peak [1992A&A...265..577L]
265.41 +01.38M H2CO d [1984MNRAS.210...23G]
265.52 +01.50M H2CO c [1984MNRAS.210...23G]
265.76 +01.02M H2CO e [1984MNRAS.210...23G]
265.850+01.093IR 08587-4419 [1988IRASP.C......0J], M CO [1989A&AS...80..149W]
266.18 +00.87M H2CO f [1984MNRAS.210...23G]

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?