# Cyg OB2 -8A

> star in the constellation Cygnus

**Wikidata**: [Q5098460](https://www.wikidata.org/wiki/Q5098460)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cygnus_OB2-8A)  
**Source**: https://4ort.xyz/entity/cyg-ob2-8a


## References

1. SIMBAD
2. The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright southern stars
3. Washington Double Star Catalog
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations
8. The Hipparcos and Tycho Catalogues (vol. 1-17)
9. Validation of the new Hipparcos reduction