# Q89821487

> Algol variable in the constellation Cygnus

**Wikidata**: [Q89821487](https://www.wikidata.org/wiki/Q89821487)  
**Source**: https://4ort.xyz/entity/q89821487


## References

1. SIMBAD
2. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.
3. Kepler eclipsing binary stars. II. 2165 eclipsing binaries in the second data release
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 Early Data Release 3
7. Gaia Data Release 2
8. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
9. Physical properties and evolutionary states of EA-type eclipsing binaries observed by LAMOST