# Q66547974
**Wikidata**: [Q66547974](https://www.wikidata.org/wiki/Q66547974)  
**Source**: https://4ort.xyz/entity/q66547974


## References

1. SIMBAD
2. The Galactic O-Star Spectroscopic Survey (GOSSS). II. Bright southern stars
3. Catalogue of Stellar Photometry in Johnson's 11-color system
4. Fourth USNO CCD Astrograph Catalog
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. The revision of the general catalogue of radial velocities
8. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
9. Radial velocities of southern B stars determined at the Radcliffe Observatory
10. The effective temperatures of Mid-O stars