Star Formation Region Avedisova 904

Catalog name: 63.18+0.45

Prominent object names: Sh 2-90, LBN 144 [glossary]

IRAS infrared sources (3): IRAS 19474+2637 (IR) [7], IRAS 19471+2641 (HII) [16], IRAS 19470+2643 (IR) [2]

Masers: 1 water

Other component designations: RAFGL 2460, Sh 2-90 = LBN 144 (HII) [32]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
Sh 2-90 63.2+0.52.09 1983A&A...124....1L I 2400
SYCSW 1302 63.16+0.4118.0x12.0 1987ApJS...63..821S V 2500, 5100
SYCSW 1302A 63.13+0.409.0x3.0 1987ApJS...63..821S V 2500, 5100
SRBY 249 63.1+0.48.55 1987ApJ...319..730S P 7000

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (7 components)

Main objectO S 90 [1973A&A....25..337G], O [1990AJ.....99..622F], M CO peak [1995ARep...39..147K]
63.15 +00.44R [1972A&AS....5..369F], R [1971A&A....13...65W], R [1970A&AS....1..319A], R [1986AJ.....92..371G], R [1970A&A.....4..357R], R [1977A&A....60..233I], R [1977AJ.....82..587R], R [2000AJ....119.2801L], R [1976AJ.....81..512V], R [1972AJ.....77..115T], R [1990A&AS...83..539R], R [1984A&AS...58..197R], R [1979ApJS...39..157S], R [1983ApJ...266..263G], R [1989ApJS...71..469L]
63.16 +00.41M CO cloud [1987ApJS...63..821S], M CO cloud,A [1987ApJS...63..821S], M CO [1987ApJ...319..730S]
63.116+00.340IR 19474+2637 [1988IRASP.C......0J], M H2O-E [1994MNRAS.266..123P], M H2O-E [1994A&AS..103..541B]
63.125+00.443IR 19471+2641 [1988IRASP.C......0J], M CS [1996A&AS..115...81B], M CO [1975ApJ...200L.161B], M CO [1983A&A...124....1L], M HCO+ [1983A&A...124....1L]
63.153+00.464IR 19470+2643 [1988IRASP.C......0J]
63.16 +00.45IR RAFGL 2460 [1983AFGL..161....0P]

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?