# Q87226722

> classical Cepheid variable star in the constellation Serpens

**Wikidata**: [Q87226722](https://www.wikidata.org/wiki/Q87226722)  
**Source**: https://4ort.xyz/entity/q87226722


## References

1. SIMBAD
2. Observational studies of cepheid amplitudes. I. Period-amplitude relationships for galactic cepheids and interrelation of amplitudes
3. The ASAS-SN Catalog of Variable Stars II: Uniform Classification of 412,000 Known Variables
4. The first INTEGRAL-OMC catalogue of optically variable sources
5. A three-dimensional map of the Milky Way using classical Cepheid variable stars
6. Period-colour and amplitude-colour relations in classical Cepheid variables - IV. The multiphase relations
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. Gaia Data Release 2
10. On the α-element gradients of the Galactic thin disk using Cepheids
11. The distribution of the elements in the galactic disk. III. A reconsideration of Cepheids from l = 30{deg} to 250{deg}