# Q66610493
**Wikidata**: [Q66610493](https://www.wikidata.org/wiki/Q66610493)  
**Source**: https://4ort.xyz/entity/q66610493


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. The catalogue of magnitudes, color indices, spectral., luminosityclasses of stars in Ori
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. Spectroscopic study of solar twins and analogues