# Q91972972
**Wikidata**: [Q91972972](https://www.wikidata.org/wiki/Q91972972)  
**Source**: https://4ort.xyz/entity/q91972972


## References

1. SIMBAD
2. La mesure des vitesses radiales au prisme-objectif
3. La mesure des vitesses radiales au prisme objectif. X. 4eme liste de vitesses radiales determinees au prisme objectif a vision directe
4. MK classification for visual binary components
5. Washington Double Star Catalog
6. Fourth USNO CCD Astrograph Catalog
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Validation of the new Hipparcos reduction
9. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
10. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)