# HD 209945

> star in the constellation Lacerta

**Wikidata**: [Q3780775](https://www.wikidata.org/wiki/Q3780775)  
**Source**: https://4ort.xyz/entity/q3780775


## References

1. SIMBAD
2. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
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. High-resolution spectroscopic survey of 671 GK giants. I - Stellar atmosphere parameters and abundances
7. Catalogue of rotational velocities of the stars
8. A catalogue of stellar rotational velocities