# Q66530990
**Wikidata**: [Q66530990](https://www.wikidata.org/wiki/Q66530990)  
**Source**: https://4ort.xyz/entity/q66530990


## References

1. SIMBAD
2. Photoelectric measures of the 4430 A diffuse interstellar band
3. Seven-colour photometry of O, B and A stars
4. Interstellar absorption lines in distant stars. I. Northern Milky Way
5. Photometric, polarization, and spectroscopic observations of O and B stars
6. Studies in galactic structure. II. Luminosity classification for 1270 blue giants stars
7. Washington Double Star Catalog
8. Catalogue of Stellar Photometry in Johnson's 11-color system
9. Gaia Data Release 2
10. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
11. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars