# 28 UMa A

> star in the constellation Ursa Major

**Wikidata**: [Q66481604](https://www.wikidata.org/wiki/Q66481604)  
**Source**: https://4ort.xyz/entity/28-uma-a


## References

1. SIMBAD
2. The Relation between Rotational Velocities and Spectral Peculiarities among A-Type Stars
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Fourth USNO CCD Astrograph Catalog
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
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. Rotational velocities of A-type stars. IV. Evolution of rotational velocities