# V639 Cassiopeiae

> star in the constellation Cassiopeia

**Wikidata**: [Q10884219](https://www.wikidata.org/wiki/Q10884219)  
**Source**: https://4ort.xyz/entity/q10884219


## References

1. SIMBAD
2. General Catalogue of Variable Stars
3. Hypergiant 6 Cas and association Cas OB5
4. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. A stellar rotation census of B stars: from ZAMS to TAMS
9. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars
10. Validation of the new Hipparcos reduction