# 39 Boötis

> star in the constellation Boötes

**Wikidata**: [Q1748952](https://www.wikidata.org/wiki/Q1748952)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/39_Boötis)  
**Source**: https://4ort.xyz/entity/39-bo-tis


## References

1. Washington Double Star Catalog
2. SIMBAD
3. MK classifications of spectroscopic binaries
4. Freebase Data Dumps. 2013
5. Fourth USNO CCD Astrograph Catalog
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Validation of the new Hipparcos reduction
8. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
9. New constraints on the chemical evolution of the solar neighbourhood and Galactic disc(s)