# X Leonis

> variable star in the constellation Leo

**Wikidata**: [Q56303490](https://www.wikidata.org/wiki/Q56303490)  
**Source**: https://4ort.xyz/entity/x-leonis


## References

1. SIMBAD
2. SB9: The ninth catalogue of spectroscopic binary orbits
3. General Catalogue of Variable Stars, 3rd ed.
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey