# HD 40964

> star in the constellation Orion

**Wikidata**: [Q10850078](https://www.wikidata.org/wiki/Q10850078)  
**Source**: https://4ort.xyz/entity/q10850078


## References

1. SIMBAD
2. VizieR
3. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
4. A study of the bright A stars. I. A catalogue of spectral classifications
5. The Tycho-2 catalogue of the 2.5 million brightest stars
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 B Stars
10. Rotational velocities of A-type stars. IV. Evolution of rotational velocities