# Q90191006
**Wikidata**: [Q90191006](https://www.wikidata.org/wiki/Q90191006)  
**Source**: https://4ort.xyz/entity/q90191006


## References

1. SIMBAD
2. A representative sample of Be stars. I. Sample selection, spectral classification and rotational velocities
3. A deep Spitzer survey of circumstellar disks in the young double cluster, h and {chi} Persei
4. A catalogue of Be stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 2
7. Stellar rotation in young clusters. I. Evolution of projected rotational velocity distributions
8. Physical properties of the B and Be star populations of h and {chi} Persei