# Q81699757

> red giant branch star in the constellation Cygnus

**Wikidata**: [Q81699757](https://www.wikidata.org/wiki/Q81699757)  
**Source**: https://4ort.xyz/entity/q81699757


## References

1. SIMBAD
2. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Gaia Data Release 2
5. Spectroscopic determination of masses (and implied ages) for red giants
6. The APOKASC catalog: an asteroseismic and spectroscopic joint survey of targets in the Kepler fields
7. An accurate and self-consistent chemical abundance catalogue for the APOGEE/Kepler sample