# V1509 Cygni

> star in the constellation Cygnus

**Wikidata**: [Q10940025](https://www.wikidata.org/wiki/Q10940025)  
**Source**: https://4ort.xyz/entity/v1509-cygni


## References

1. SIMBAD
2. Catalogue of Stellar Photometry in Johnson's 11-color system
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Early Data Release 3
5. Gaia Data Release 2
6. Lithium in red giant stars: Constraining non-standard mixing with large surveys in the Gaia era