# Q81289912

> spectroscopic binary in the constellation Cygnus

**Wikidata**: [Q81289912](https://www.wikidata.org/wiki/Q81289912)  
**Source**: https://4ort.xyz/entity/q81289912


## References

1. SIMBAD
2. Ultraviolet and Optical Studies of Binaries with Luminous Cool Primaries and Hot Companions. V. The Entire IUE Sample
3. Gaia Data Release 2
4. The Tycho double star catalogue
5. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
6. Radial velocities of 2111 stars
7. General Catalogue of Stellar Radial Velocities