# Q87819723

> Algol variable in the constellation Cygnus

**Wikidata**: [Q87819723](https://www.wikidata.org/wiki/Q87819723)  
**Source**: https://4ort.xyz/entity/q87819723


## 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 Early Data Release 3
6. Gaia Data Release 2
7. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
8. Kepler eclipsing binary stars. I. Catalog and principal characterization of 1879 eclipsing binaries in the first data release