Gamma Cygni (γ Cyg / γ Cygni) is a
star in the
constellation Cygnus. It also has the traditional name
Sadr (also spelled
Sadir or
Sador).
The traditional name comes from the Arabic word صدر şadr, "chest", the same word which gave rise to the star Schedar (Alpha Cassiopeiae).
This star is surrounded by a diffuse nebula called
IC1318, or the Gamma Cygni region.
External links
- Sadr by Jim Kaler.
- http://www.atlasoftheuniverse.com/nebulae/ic1318.html