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Star Formation Region Avedisova 1218

Catalog name: 94.40-5.51

Prominent object names: Sh 2-125, LDN 1055, IC 5146 [glossary]

IRAS infrared sources (4): IRAS 21506+4659 = V* V1578 Cyg (Em*) [148], IRAS 21515+4702 (IR) [0], IRAS 21523+4657 = EM* LkHA 257 (Em*) [36], IRAS 21516+4706 (IR) [0]

Other component designations: IC 5146 (OpCl) [165], LDN 1055 (DkNeb) [4], SH 2-125 (HII) [31]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
Sh 2-125 94.4-5.512.62 1982ApJS...49..183B I 1000
[DBY94] 106 94.27-5.375.76 1994ApJS...95..419D P 900

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (18 components)

Main objectO S 125 [1970A&A.....6..349G], O [1990AJ.....99..622F]
94.39 -05.50O IC 5146 cluster [87065]
94.32 -05.53D L_1055 [1962ApJS....7....1L], M CO #352 [1987ApJ...315..104T]
94.28 -05.45M CO cloud [1994ApJS...95..419D], M CO HS 3 [1982ApJ...256..139M], M CO max 3 [1979AJ.....84..336L]
94.249-05.436O *AS 477,BD+46 .3471(A4e) [1994A&AS..104..315T], IR*AS 477 [1992ApJ...397..613H], IR 21506+4659 [1988IRASP.C......0J], M CS [1999A&AS..139..257L], IR BD+46 3471,E lias-15 [1978ApJ...223..859E], IR*AS 477 [1994ApJ...433..199L], M CO [1973ApJ...185L..67L], M CO outflow [1988ApJS...67..283L], M CO HS 2 [1992AJ....104.1525D], M CO clump E1 [1992AJ....104.1525D]
94.39 -05.51R [1972A&AS....5..369F], R [1982ApJ...256..127R], R [1977A&A....60..233I], R [1986AJ.....92..371G], R DA567,CTA97 [1968AJ.....73..135G], R [1973PASP...85..806T], R [1989ApJS...71..469L]
94.37 -05.51IR [1981ApJ...249..607S], IR max 3 [1981ApJ...249..607S]
94.39 -05.59IR max 1 [1981ApJ...249..607S], IR [1984AJ.....89..496W]
94.401-05.567M CO clump E2 [1992AJ....104.1525D], M CO [1982ApJS...49..183B], M CO max 1 [1979AJ.....84..336L], M CO HS 1 [1982ApJ...256..139M]
94.42 -05.50IR max 2 [1981ApJ...249..607S]
94.422-05.373M CO [1980AJ.....85.1612I]
94.404-05.501IR 21515+4702 [1988IRASP.C......0J], M CO [1978A&A....70..769I]
94.465-05.642O *LKHA 257(B5/ A2e) [1994A&AS..104..315T]
94.458-05.642IR 21523+4657 [1988IRASP.C......0J], M CO max 2 [1979AJ.....84..336L], M CO HS 2 [1982ApJ...256..139M]
94.55 -05.34M CO clump E3 [1992AJ....104.1525D]
94.45 -05.44R [1981A&A...100...28F]
94.467-05.452IR 21516+4706 [1988IRASP.C......0J]
93.63 -04.50M CO clump C3 [1993AJ....105.1487D]

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?