# Q81139870

> star in the constellation Gemini

**Wikidata**: [Q81139870](https://www.wikidata.org/wiki/Q81139870)  
**Source**: https://4ort.xyz/entity/q81139870


## References

1. SIMBAD
2. The ninth data release of the Sloan Digital Sky Survey: first spectroscopic data from the SDSS-III baryon oscillation spectroscopic survey
3. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
4. Gaia Data Release 2
5. Globular and open clusters observed by SDSS/SEGUE: the giant stars
6. Open clusters as key tracers of Galactic chemical evolution. III. Element abundances in Berkeley 20, Berkeley 29, Collinder 261, and Melotte 66