# HD 39927

> star in the constellation Orion

**Wikidata**: [Q3781005](https://www.wikidata.org/wiki/Q3781005)  
**Source**: https://4ort.xyz/entity/q3781005


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
7. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
8. An empirical temperature calibration for the Δ a photometric system. II. The A-type and mid F-type stars