Star Formation Region Avedisova 329

Catalog name: 21.99+0.03

Prominent object names: Sh 2-56, RCW 169, [SHK2000] 18282-0951 [glossary]

IRAS infrared sources (1): IRAS 18282-0943 = 2MASS J18310242-0941134 (OH/IR) [6]

Masers: 1 hydroxyl

Other component designations: RAFGL 2174, RCW 169 = [SHK2000] 18282-0951 (Maser) [17], Sh 2-56 = LBN 77 (HII) [7]

Distance estimates for objects in this region

Object PositionSize (arcmin) Source Note Distance(s)
Sh 2-56 21.97+0.069.77 2003A&A...397..133R I 4800

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (5 components)

Main objectO S 56,RCW 169 [1978A&A....66....1C], O [1990AJ.....99..622F], M CO peak [1995ARep...39..147K]
21.97 +00.04R [1990A&AS...85..805F]
21.96 +00.01IR*RAFGL 2174 [1983AFGL..161....0P], IR*AFGL 2174 [1977ApJ...217..108A], M OH-E [1977ApJ...217..108A]
21.76 -00.07M CO max [1982ApJS...49..183B]
21.996+00.072IR 18282-0943 [1988IRASP.C......0J], R [1990ApJS...74..181Z]

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?