# OB star

> hot, massive star of spectral types O or early-type B that form in OB associations

**Wikidata**: [Q5886](https://www.wikidata.org/wiki/Q5886)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/OB_star)  
**Source**: https://4ort.xyz/entity/ob-star


## References

1. Freebase Data Dumps. 2013