# Q66635593
**Wikidata**: [Q66635593](https://www.wikidata.org/wiki/Q66635593)  
**Source**: https://4ort.xyz/entity/q66635593


## 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 radial velocities, spectral classes and photographic magnitudes of 1041 late-type stars
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Spectral properties of cool stars: extended abundance analysis of 1,617 planet-search stars