# Eta Ursae Majoris

> star in the constellation Ursa Major

**Wikidata**: [Q13093](https://www.wikidata.org/wiki/Q13093)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alkaid)  
**Source**: https://4ort.xyz/entity/eta-ursae-majoris


## References

1. SIMBAD
2. Spectral Classification
3. Some spectroscopic characteristics of OB stars: an investigation of the space distribution of certain OB stars and the reference frame of the classification
4. The kinematics of the Gould belt: an expanding group ?
5. Application of convolutional neural networks for stellar spectral classification
6. Freebase Data Dumps. 2013
7. Catalogue of Stellar Photometry in Johnson's 11-color system
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Gaia Early Data Release 3
10. Validation of the new Hipparcos reduction
11. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
12. Fundamental Parameters of 87 Stars from the Navy Precision Optical Interferometer
13. [Source](https://encyklopedia.pwn.pl/haslo/Alkaid;3867883.html)
14. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars
15. [Eta Ursae Majoris | Memory Beta, non-canon Star Trek Wiki | Fandom](https://memory-beta.fandom.com/wiki/Eta_Ursae_Majoris)
16. Fundamental parameters of B supergiants from the BCD system. I. Calibration of the (λ_1, D) parameters into Teff
17. Source