# Q81660670
**Wikidata**: [Q81660670](https://www.wikidata.org/wiki/Q81660670)  
**Source**: https://4ort.xyz/entity/q81660670


## References

1. SIMBAD
2. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Catalog of Galactic OB Stars
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. Fourth USNO CCD Astrograph Catalog
8. Stellar rotation in young clusters. I. Evolution of projected rotational velocity distributions