# Q66649814
**Wikidata**: [Q66649814](https://www.wikidata.org/wiki/Q66649814)  
**Source**: https://4ort.xyz/entity/q66649814


## References

1. SIMBAD
2. The Galactic O-Star Spectroscopic Survey. I. Classification system and bright northern stars in the blue-violet at R ~ 2500
3. Catalogue of Stellar Photometry in Johnson's 11-color system
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
7. The radial velocities of 523 O and B type stars obtained at Victoria, 1923-1929
8. The interstellar Ca II distance scale
9. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars
10. Catalogue of rotational velocities of the stars
11. The effective temperatures of Mid-O stars