# Q66531059
**Wikidata**: [Q66531059](https://www.wikidata.org/wiki/Q66531059)  
**Source**: https://4ort.xyz/entity/q66531059


## References

1. SIMBAD
2. Starspots
3. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Kinematics of chromospherically active binaries and evidence of an orbital period decrease in binary evolution
6. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
7. Spectroscopic orbits of the binary systems HD 128661, AR Cas, beta Ari and HD 209813