# AA Geminorum

> classical Cepheid variable star in the constellation Gemini

**Wikidata**: [Q89663076](https://www.wikidata.org/wiki/Q89663076)  
**Source**: https://4ort.xyz/entity/aa-geminorum


## References

1. SIMBAD
2. VizieR
3. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
4. Washington Double Star Catalog
5. Gaia Data Release 2
6. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
7. Period-colour and amplitude-colour relations in classical Cepheid variables - IV. The multiphase relations
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. A global physical model for cepheids
10. Kinematics of metal-poor stars in the Galaxy. II. Proper motions for a large nonkinematically selected sample
11. On the α-element gradients of the Galactic thin disk using Cepheids
12. The distribution of the elements in the Galactic disk. II. Azimuthal and radial variation in abundances from Cepheids
13. Barium abundances in Cepheids