# Q66497585
**Wikidata**: [Q66497585](https://www.wikidata.org/wiki/Q66497585)  
**Source**: https://4ort.xyz/entity/q66497585


## References

1. SIMBAD
2. A spectroscopic and photometric investigation of the association Cepheus OB2
3. A catalogue of Be stars
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. The interstellar Ca II distance scale
9. The projected rotational velocity distribution of a sample of OB stars from a calibration based on synthetic He I lines