# Q66531514
**Wikidata**: [Q66531514](https://www.wikidata.org/wiki/Q66531514)  
**Source**: https://4ort.xyz/entity/q66531514


## References

1. SIMBAD
2. Source
3. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. Period-colour and amplitude-colour relations in classical Cepheid variables - IV. The multiphase relations
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Barium abundances in Cepheids