# Q66652142
**Wikidata**: [Q66652142](https://www.wikidata.org/wiki/Q66652142)  
**Source**: https://4ort.xyz/entity/q66652142


## References

1. SIMBAD
2. Spectral and luminosity classifications and measurements of the strength of CN absorption for late-type stars from objective-prism spectra
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Sodium in the atmospheres of thick-disk red giants