# 12 Leonis

> star in the constellation Leo

**Wikidata**: [Q66551870](https://www.wikidata.org/wiki/Q66551870)  
**Source**: https://4ort.xyz/entity/12-leonis


## References

1. SIMBAD
2. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Early Data Release 3
5. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
6. Gaia Data Release 2