# Q66632258
**Wikidata**: [Q66632258](https://www.wikidata.org/wiki/Q66632258)  
**Source**: https://4ort.xyz/entity/q66632258


## References

1. Washington Double Star Catalog
2. Spectral classification of 239 early-type stars
3. A spectroscopic and photometric investigation of the association Cepheus OB2
4. SIMBAD
5. Catalog of Galactic OB Stars
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
9. The projected rotational velocity distribution of a sample of OB stars from a calibration based on synthetic He I lines
10. Validation of the new Hipparcos reduction