# HD 21018

> spectroscopic binary star system in the constellation Taurus

**Wikidata**: [Q10849372](https://www.wikidata.org/wiki/Q10849372)  
**Source**: https://4ort.xyz/entity/hd-21018


## References

1. SIMBAD
2. SB9: The ninth catalogue of spectroscopic binary orbits
3. [VizieR](https://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ626ac0111e49a4&-out.add=.&-source=VI/42/out&-c=049.2682%20%2b04.4355,eq=B1875,rs=2)
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 Early Data Release 3
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Data Release 2