# Q89821647

> red giant branch star in the constellation Cygnus

**Wikidata**: [Q89821647](https://www.wikidata.org/wiki/Q89821647)  
**Source**: https://4ort.xyz/entity/q89821647


## 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. The Open Cluster Chemical Abundances and Mapping Survey. II. Precision Cluster Abundances for APOGEE Using SDSS DR14
6. Spectroscopic determination of masses (and implied ages) for red giants
7. Strömgren Survey for Asteroseismology and Galactic Archaeology: Let the Saga Begin
8. Spectroscopic abundances in the open cluster NGC 6819