# XX Cephei

> variable star

**Wikidata**: [Q9096448](https://www.wikidata.org/wiki/Q9096448)  
**Source**: https://4ort.xyz/entity/q9096448


## References

1. SIMBAD
2. MK classifications of some northern hemisphere binary systems
3. Up-to-date linear elements of eclipsing binaries
4. TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Gaia Data Release 2
9. A catalogue of stellar rotational velocities