# Q66491522
**Wikidata**: [Q66491522](https://www.wikidata.org/wiki/Q66491522)  
**Source**: https://4ort.xyz/entity/q66491522


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. MK classifications of some northern hemisphere binary systems
4. Up-to-date linear elements of eclipsing binaries
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system