# Lang-Exster

> brightest star in the constellation Tucana

**Wikidata**: [Q384401](https://www.wikidata.org/wiki/Q384401)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Alpha_Tucanae)  
**Source**: https://4ort.xyz/entity/lang-exster


## References

1. SIMBAD
2. The Perkins catalog of revised MK types for the cooler stars
3. Source
4. Spectral types on the MK system for forty-three bright Southern stars K2-M6
5. Bright Star Catalogue
6. Henry Draper Catalogue
7. Smithsonian Astrophysical Observatory Star Catalog
8. Freebase Data Dumps. 2013
9. Catalogue of Stellar Photometry in Johnson's 11-color system
10. Gaia Data Release 3
11. [IAU-Catalog of Star Names – exopla.net](https://exopla.net/star-names/modern-iau-star-names/)
12. Gaia Early Data Release 3
13. Gaia Data Release 2
14. Lithium in red giant stars: Constraining non-standard mixing with large surveys in the Gaia era
15. Validation of the new Hipparcos reduction