# Q91872461

> star in the constellation Cygnus

**Wikidata**: [Q91872461](https://www.wikidata.org/wiki/Q91872461)  
**Source**: https://4ort.xyz/entity/q91872461


## References

1. SIMBAD
2. VizieR
3. The Galactic O-Star Spectroscopic Survey. I. Classification system and bright northern stars in the blue-violet at R ~ 2500
4. Studies in galactic structure. II. Luminosity classification for 1270 blue giants stars
5. The law of interstellar reddening and absorption
6. Some spectroscopic characteristics of OB stars: an investigation of the space distribution of certain OB stars and the reference frame of the classification
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Catalog of Galactic OB Stars
9. Gaia Data Release 2
10. The IACOB project. V. Spectroscopic parameters of the O-type stars in the modern grid of standards for spectral classification