# 27 Ursae Majoris

> star in the constellation Ursa Major

**Wikidata**: [Q11037227](https://www.wikidata.org/wiki/Q11037227)  
**Source**: https://4ort.xyz/entity/27-ursae-majoris


## References

1. SIMBAD
2. Photoelectric measurements of the lambda 4200 A CN band and the G band in G8-K5 spectra
3. Intensities of isotopic C bands in the spectra of 12 N-type stars
4. Axial Rotation and Line Broadening in Stars of Spectral Types F0-K5
5. Preliminary list of photoelectric classification indices for 234 bright Northern G and K stars
6. The Spectra of the Bright Stars of Types F5-K5
7. The Tycho-2 catalogue of the 2.5 million brightest stars
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Gaia Early Data Release 3
10. Gaia Data Release 2
11. Determining ages of APOGEE giants with known distances
12. Catalogue of rotational velocities of the stars