# Q89821626

> red giant branch star in the constellation Cygnus

**Wikidata**: [Q89821626](https://www.wikidata.org/wiki/Q89821626)  
**Source**: https://4ort.xyz/entity/q89821626


## References

1. SIMBAD
2. WIYN open cluster study. LX. Spectroscopic binary orbits in NGC 6819
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Data Release 2
5. Spectroscopic abundances in the open cluster NGC 6819
6. Strömgren Survey for Asteroseismology and Galactic Archaeology: Let the Saga Begin
7. Sounding open clusters: asteroseismic constraints from Kepler on the properties of NGC 6791 and NGC 6819