# Q81554239
**Wikidata**: [Q81554239](https://www.wikidata.org/wiki/Q81554239)  
**Source**: https://4ort.xyz/entity/q81554239


## References

1. SIMBAD
2. Source
3. Washington Double Star Catalog
4. Validation of the new Hipparcos reduction
5. The Geneva-Copenhagen survey of the Solar neighbourhood. II. New uvby calibrations and rediscussion of stellar ages, the G dwarf problem, age-metallicity diagram, and heating mechanisms of the disk
6. The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ∼14 000 F and G dwarfs
7. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)
8. Spectroscopy of New High Proper Motion Stars in the Northern Sky. I. New Nearby Stars, New High-Velocity Stars, and an Enhanced Classification Scheme for M Dwarfs