# HD 38309

> star in the constellation Orion

**Wikidata**: [Q3780981](https://www.wikidata.org/wiki/Q3780981)  
**Source**: https://4ort.xyz/entity/q3780981


## References

1. SIMBAD
2. Michigan catalogue of two-dimensional spectral types for the HD Stars, Vol. 5
3. Washington Double Star Catalog
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. Ca II HK emission in rapidly rotating stars
9. An empirical temperature calibration for the Δ a photometric system. II. The A-type and mid F-type stars