# 69 Leonis

> star in the constellation Leo

**Wikidata**: [Q9554092](https://www.wikidata.org/wiki/Q9554092)  
**Source**: https://4ort.xyz/entity/69-leonis


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. A study of the bright A stars. I. A catalogue of spectral classifications
4. Version 2 of the Hipparcos Input Catalogue
5. Gaia Data Release 3
6. The Tycho-2 catalogue of the 2.5 million brightest stars
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
10. Rotational velocities of A-type stars. III. Velocity distributions
11. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
12. Rotational velocities of A-type stars. IV. Evolution of rotational velocities