# HD 21004

> star in the constellation Perseus

**Wikidata**: [Q10849366](https://www.wikidata.org/wiki/Q10849366)  
**Source**: https://4ort.xyz/entity/q10849366


## References

1. SIMBAD
2. [VizieR](https://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ626ac0111e49a4&-out.add=.&-source=VI/42/out&-c=049.1199%20%2b53.4768,eq=B1875,rs=2)
3. MK spectral types for 185 bright stars
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. Photometry and classification of stars along the Camelopardalis and Perseus border
8. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
9. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i