Catalog name: 81.47+0.76

Prominent object names: W 75 / DR 21 [glossary]

Westerhout radio sources: W 75 = NAME CYG X FIR 36 (Radio) [70], W 75S = NAME DR 21(OH) M (Radio) [66], W 75N(OH) A

Masers: 6 hydroxyl, 14 water, 13 methanol

Other component designations: DR 21 = [WWB83] G081.68+0.54 (HII) [571], DWB 140 = [W70] G81.4+1.2 (HII) [2], RAFGL 2620, RAFGL 2621, RAFGL 2624, VDB 136 = HD 196819 (*inNeb) [22]

Distance estimates for objects in this region

For more information on distance estimates see Avedisova distances.

Detailed component listing with references (103 components)

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?