# Q81909567

> red giant branch star in the constellation Cygnus

**Wikidata**: [Q81909567](https://www.wikidata.org/wiki/Q81909567)  
**Source**: https://4ort.xyz/entity/q81909567


## 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. Gaia Data Release 2
4. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
5. WIYN open cluster study. LX. Spectroscopic binary orbits in NGC 6819
6. Strömgren Survey for Asteroseismology and Galactic Archaeology: Let the Saga Begin
7. Spectroscopic abundances in the open cluster NGC 6819