# 20 Draconis

> star in the constellation Draco

**Wikidata**: [Q11039544](https://www.wikidata.org/wiki/Q11039544)  
**Source**: https://4ort.xyz/entity/20-draconis


## References

1. SIMBAD
2. MK spectral types for some bright F stars
3. Washington Double Star Catalog
4. UBV photometry of stars whose positions are accurately known. VI
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Fourth USNO CCD Astrograph Catalog
7. Validation of the new Hipparcos reduction
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
10. Rotational velocities of A-type stars. III. Velocity distributions
11. [Source](https://memory-beta.fandom.com/wiki/20_Draconis)
12. Rotational velocities of A-type stars. IV. Evolution of rotational velocities