# Q74105609

> Algol variable in the constellation Cygnus

**Wikidata**: [Q74105609](https://www.wikidata.org/wiki/Q74105609)  
**Source**: https://4ort.xyz/entity/q74105609


## References

1. SIMBAD
2. Study of eclipsing binary and multiple systems in OB associations. II. The Cygnus OB region: V443 Cyg, V456 Cyg, and V2107 Cyg
3. General Catalogue of Variable Stars, 3rd ed.
4. New β Lyrae and Algol Candidates from the Northern Sky Variability Survey
5. The first INTEGRAL-OMC catalogue of optically variable sources
6. The Tycho-2 catalogue of the 2.5 million brightest stars
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
10. Gaia Data Release 2