# HD 21620

> star in the constellation Perseus

**Wikidata**: [Q10849500](https://www.wikidata.org/wiki/Q10849500)  
**Source**: https://4ort.xyz/entity/q10849500


## References

1. New Catalogue of Suspected Variable Stars
2. SIMBAD
3. [VizieR](https://vizier.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ62716da6840d6&-out.add=.&-source=VI/42/out&-c=050.6427%20%2b48.7789,eq=B1875,rs=2)
4. A study of the bright A stars. I. A catalogue of spectral classifications
5. Catalogue of suspected variable stars. Moscow, Acad. of Sciences USSR Shternberg,1951 (1981)
6. UBV photometry of stars whose positions are accurately known. VI
7. Gaia Data Release 2
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
10. Rotational velocities of A-type stars. III. Velocity distributions
11. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
12. Rotational velocities of A-type stars. IV. Evolution of rotational velocities