# 12 Sagittarii

> classical Cepheid variable star in the constellation Sagittarius

**Wikidata**: [Q66530909](https://www.wikidata.org/wiki/Q66530909)  
**Source**: https://4ort.xyz/entity/12-sagittarii


## References

1. SIMBAD
2. Source
3. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
4. A three-dimensional map of the Milky Way using classical Cepheid variable stars
5. Reclassification of Cepheids in the Gaia Data Release 2. Period-luminosity and period-Wesenheit relations in the Gaia passbands
6. Gaia Data Release 2
7. Catalogue of Stellar Photometry in Johnson's 11-color system
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Period-colour and amplitude-colour relations in classical Cepheid variables - IV. The multiphase relations
10. Gaia Early Data Release 3
11. The Sixth Data Release of the Radial Velocity Experiment (RAVE). II. Stellar Atmospheric Parameters, Chemical Abundances, and Distances