# Q89771515
**Wikidata**: [Q89771515](https://www.wikidata.org/wiki/Q89771515)  
**Source**: https://4ort.xyz/entity/q89771515


## References

1. SIMBAD
2. Optical spectroscopy of classical Be stars in open clusters
3. A study of the role of Ly{beta} fluorescence on O I line strengths in Be stars
4. Variability survey of brightest stars in selected OB associations
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. The 78th name-list of variable stars
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. Gaia Data Release 2