# KOI-2939

> Algol variable in the constellation Cygnus

**Wikidata**: [Q76595229](https://www.wikidata.org/wiki/Q76595229)  
**Source**: https://4ort.xyz/entity/koi-2939


## References

1. SIMBAD
2. Source
3. Extrasolar Planets Encyclopaedia
4. Kepler eclipsing binary stars. II. 2165 eclipsing binaries in the second data release
5. TESS Eclipsing Binary Stars. I. Short-cadence Observations of 4584 Eclipsing Binaries in Sectors 1–26
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Gaia Data Release 2
9. Kepler-1647b: the largest and longest-period Kepler transiting circumbinary planet