# 42 Leonis

> star in the constellation Leo

**Wikidata**: [Q15939646](https://www.wikidata.org/wiki/Q15939646)  
**Source**: https://4ort.xyz/entity/42-leonis


## References

1. SIMBAD
2. A study of the bright A stars. I. A catalogue of spectral classifications
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Early Data Release 3
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
7. A new method for the inversion of atmospheric parameters of A/Am stars
8. Gaia Data Release 2