# Q66532515
**Wikidata**: [Q66532515](https://www.wikidata.org/wiki/Q66532515)  
**Source**: https://4ort.xyz/entity/q66532515


## References

1. SIMBAD
2. Some spectroscopic characteristics of OB stars: an investigation of the space distribution of certain OB stars and the reference frame of the classification
3. Photoelectric measures of the 4430 A diffuse interstellar band
4. The Uppsala spectral classification
5. Color excesses from six-color photometry of supergiant stars
6. Interstellar absorption lines in distant stars. I. Northern Milky Way
7. Photometric, polarization, and spectroscopic observations of O and B stars
8. Line broadening in the spectra of O and early B-type stars
9. Six-color photometry of stars. VIII. The colors of 409 stars of different spectral types
10. Studies in galactic structure. II. Luminosity classification for 1270 blue giants stars
11. Recherches sur la loi d'absorption de la poussiere interstellaire et sur le spectre continu des etoiles O et B
12. Catalogue of Stellar Photometry in Johnson's 11-color system
13. Gaia Data Release 2
14. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
15. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
16. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
17. The revision of the general catalogue of radial velocities
18. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars