# Q66613612
**Wikidata**: [Q66613612](https://www.wikidata.org/wiki/Q66613612)  
**Source**: https://4ort.xyz/entity/q66613612


## References

1. SIMBAD
2. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
3. ASAS photometry of ROSAT sources. I. Periodic variable stars coincident with bright sources from the ROSAT All Sky Survey
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Kinematics of W Ursae Majoris type binaries and evidence of the two types of formation