# Q66647040

> star

**Wikidata**: [Q66647040](https://www.wikidata.org/wiki/Q66647040)  
**Source**: https://4ort.xyz/entity/q66647040


## 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. Determining ages of APOGEE giants with known distances