# Q66497538
**Wikidata**: [Q66497538](https://www.wikidata.org/wiki/Q66497538)  
**Source**: https://4ort.xyz/entity/q66497538


## References

1. SIMBAD
2. Spectral types in the open cluster M 39
3. Rotational velocities of stars metallic-line stars in M 39 and the Ursae Major cluster
4. Distribution of the nearer bright stars in the color-luminosity array
5. Catalog of Galactic OB Stars
6. The Tycho-2 catalogue of the 2.5 million brightest stars
7. Gaia Data Release 2
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
10. A catalogue of stellar rotational velocities
11. Catalogue of rotational velocities of the stars