# Q89821227

> rotating variable star in the constellation Cygnus

**Wikidata**: [Q89821227](https://www.wikidata.org/wiki/Q89821227)  
**Source**: https://4ort.xyz/entity/q89821227


## 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. Rotation periods of 12000 main-sequence Kepler stars: dependence on stellar spectral type and comparison with v sin i observations
4. Rotation periods, variability properties and ages for Kepler exoplanet candidate host stars
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. Extrasolar Planets Encyclopaedia
9. Gaia Data Release 2