# Q66547989
**Wikidata**: [Q66547989](https://www.wikidata.org/wiki/Q66547989)  
**Source**: https://4ort.xyz/entity/q66547989


## References

1. SIMBAD
2. Color excesses from six-color photometry of supergiant stars
3. Spectral classification of stars noted on Case objective-prism plates. II
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. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Parameters and abundances in luminous stars