# W Geminorum

> variable star in the constellation Gemini

**Wikidata**: [Q31898541](https://www.wikidata.org/wiki/Q31898541)  
**Source**: https://4ort.xyz/entity/w-geminorum


## References

1. General Catalogue of Variable Stars
2. SIMBAD
3. VizieR
4. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
5. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
6. Catalogue of Stellar Photometry in Johnson's 11-color system
7. Period-colour and amplitude-colour relations in classical Cepheid variables - IV. The multiphase relations
8. Gaia Data Release 2
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. Barium abundances in Cepheids