# Q81133536

> red giant branch star in the constellation Cepheus

**Wikidata**: [Q81133536](https://www.wikidata.org/wiki/Q81133536)  
**Source**: https://4ort.xyz/entity/q81133536


## References

1. SIMBAD
2. A star catalog for the open cluster NGC 188
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Data Release 2
5. WIYN open cluster study. XXXII. Stellar radial velocities in the old open cluster NGC 188
6. Spectroscopic determination of masses (and implied ages) for red giants