# HD 20123

> star in the constellation Perseus

**Wikidata**: [Q10849208](https://www.wikidata.org/wiki/Q10849208)  
**Source**: https://4ort.xyz/entity/q10849208


## References

1. SIMBAD
2. [VizieR](https://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ6159cb53361bc4&-out.add=.&-source=VI/42/out&-c=046.8186%20%2b50.4713,eq=B1875,rs=2)
3. Revised MK spectral types for G, K ans M stars
4. The Perkins catalog of revised MK types for the cooler stars
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Parameters and abundances in luminous stars
9. Catalogue of rotational velocities of the stars
10. A catalogue of stellar rotational velocities