# HD 190781

> star in the constellation Cygnus

**Wikidata**: [Q10849012](https://www.wikidata.org/wiki/Q10849012)  
**Source**: https://4ort.xyz/entity/hd-190781


## References

1. SIMBAD
2. Washington Double Star Catalog
3. VizieR
4. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
5. UBV photometry of stars whose positions are accurately known. VI
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations
9. The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars