# Q87819780

> Algol variable in the constellation Cygnus

**Wikidata**: [Q87819780](https://www.wikidata.org/wiki/Q87819780)  
**Source**: https://4ort.xyz/entity/q87819780


## References

1. SIMBAD
2. Kepler eclipsing binary stars. II. 2165 eclipsing binaries in the second data release
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. Gaia Data Release 2
6. Spectroscopic determination of masses (and implied ages) for red giants