# HD 164509

> star in the constellation Ophiuchus

**Wikidata**: [Q4039871](https://www.wikidata.org/wiki/Q4039871)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HD_164509)  
**Source**: https://4ort.xyz/entity/hd-164509


## 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. Third U.S. Naval Observatory CCD Astrograph Catalog (UCAC3)
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. Gaia Data Release 2
8. A high-eccentricity component in the double-planet system around HD 163607 and a planet around HD 164509
9. Lithium abundance patterns of late-F stars: an in-depth analysis of the lithium desert
10. Spectral properties of cool stars: extended abundance analysis of 1,617 planet-search stars
11. Age consistency between exoplanet hosts and field stars
12. Li abundances in F stars: planets, rotation, and Galactic evolution