# 51 UMa A
**Wikidata**: [Q66491596](https://www.wikidata.org/wiki/Q66491596)  
**Source**: https://4ort.xyz/entity/51-uma-a


## References

1. SIMBAD
2. A study of the bright A stars. I. A catalogue of spectral classifications
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. The Tycho double star catalogue
6. Fourth USNO CCD Astrograph Catalog
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. The SDSS Photometric Catalog, Release 7
9. Gaia Data Release 2
10. The Volume-limited A-Star (VAST) survey. I. Companions and the unexpected X-ray detection of B6-A7 stars
11. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
12. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
13. The effective temperature scale of FGK stars. I. Determination of temperatures and angular diameters with the infrared flux method