# Q81299025

> Algol variable in the constellation Cygnus

**Wikidata**: [Q81299025](https://www.wikidata.org/wiki/Q81299025)  
**Source**: https://4ort.xyz/entity/q81299025


## References

1. SIMBAD
2. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
3. Up-to-date linear elements of eclipsing binaries
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Data Release 2
7. Astrophysical supplements to the ASCC-2.5: Ia. Radial velocities of ∼55000 stars and mean radial velocities of 516 Galactic open clusters and associations