# Zeta Leonis

> binary star system in the constellation Leo

**Wikidata**: [Q14207](https://www.wikidata.org/wiki/Q14207)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Zeta_Leonis)  
**Source**: https://4ort.xyz/entity/zeta-leonis


## References

1. SIMBAD
2. The Physical Basis of Luminosity Classification in the Late A-, F-, and Early G-Type Stars. I. Precise Spectral Types for 372 Stars
3. The early F-type stars: refined classification, confrontation with Stroemgren photometry, and the effects of rotation
4. Washington Double Star Catalog
5. Gaia Data Release 3
6. Freebase Data Dumps. 2013
7. Catalogue of Stellar Photometry in Johnson's 11-color system
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Gaia Early Data Release 3
10. Carbon and oxygen abundances across the Hertzsprung gap
11. Rotational and radial velocities for a sample of 761 Hipparcos giants and the role of binarity