# Q87279921
**Wikidata**: [Q87279921](https://www.wikidata.org/wiki/Q87279921)  
**Source**: https://4ort.xyz/entity/q87279921


## References

1. SIMBAD
2. A spectroscopic study of the association Scorpius OB 1
3. UBVRI and H-alpha photometry of the young open cluster NGC 6231
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Data Release 2
6. Rotation and binarity in NGC 6231
7. The projected rotational velocity distribution of a sample of OB stars from a calibration based on synthetic He I lines