# HD 31739

> star in the constellation Orion

**Wikidata**: [Q3780883](https://www.wikidata.org/wiki/Q3780883)  
**Source**: https://4ort.xyz/entity/q3780883


## References

1. SIMBAD
2. [VizieR](https://vizier.cds.unistra.fr/viz-bin/VizieR-5?-ref=VIZ649b440e3a898d&-out.add=.&-source=VI/42/out&-c=072.9717%20-02.4074,eq=B1875,rs=2)
3. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Gaia Data Release 2
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
8. Accurate stellar rotational velocities using the Fourier transform of the cross correlation maximum
9. Rotational velocities of A-type stars. IV. Evolution of rotational velocities