# Q94278223
**Wikidata**: [Q94278223](https://www.wikidata.org/wiki/Q94278223)  
**Source**: https://4ort.xyz/entity/q94278223


## References

1. SIMBAD
2. Gaia Data Release 2
3. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. A global physical model for cepheids
7. On the fine structure of the Cepheid metallicity gradient in the Galactic thin disk
8. On the α-element gradients of the Galactic thin disk using Cepheids
9. The distribution of the elements in the Galactic disk. II. Azimuthal and radial variation in abundances from Cepheids
10. Barium abundances in Cepheids