# Q75250888
**Wikidata**: [Q75250888](https://www.wikidata.org/wiki/Q75250888)  
**Source**: https://4ort.xyz/entity/q75250888


## References

1. SIMBAD
2. Fourth USNO CCD Astrograph Catalog
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Data Release 2
5. Sodium abundances of AGB and RGB stars in Galactic globular clusters. II. Analysis and results of NGC 104, NGC 6121, and NGC 6809
6. The CaII triplet in red giant spectra: [Fe/H] determinations and the role of [Ca/Fe]
7. Detailed abundances for a large sample of giant stars in the globular cluster 47 Tucanae (NGC 104)