# Q81810650

> spectroscopic binary in the constellation Leo

**Wikidata**: [Q81810650](https://www.wikidata.org/wiki/Q81810650)  
**Source**: https://4ort.xyz/entity/q81810650


## References

1. SIMBAD
2. G.P. Kuiper's spectral classifications of proper-motion stars
3. Washington Double Star Catalog
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Validation of the new Hipparcos reduction
6. A survey of proper-motion stars. XVI. Orbital solutions for 171 single-lined spectroscopic binaries
7. The AllWISE motion survey, part 2