# HD 221970

> star in the constellation Andromeda

**Wikidata**: [Q3780836](https://www.wikidata.org/wiki/Q3780836)  
**Source**: https://4ort.xyz/entity/q3780836


## References

1. SIMBAD
2. VizieR
3. Lithium depletion and rotation in main-sequence stars
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. Lithium abundance patterns of late-F stars: an in-depth analysis of the lithium desert