# Q80393664

> spectroscopic binary in the constellation Cygnus

**Wikidata**: [Q80393664](https://www.wikidata.org/wiki/Q80393664)  
**Source**: https://4ort.xyz/entity/q80393664


## References

1. SIMBAD
2. Fourth USNO CCD Astrograph Catalog
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. WIYN open cluster study. LX. Spectroscopic binary orbits in NGC 6819
5. Gaia Data Release 2
6. Spectroscopic abundances in the open cluster NGC 6819