# 4 Geminorum

> star in the constellation Gemini

**Wikidata**: [Q66497477](https://www.wikidata.org/wiki/Q66497477)  
**Source**: https://4ort.xyz/entity/4-geminorum


## References

1. Washington Double Star Catalog
2. SIMBAD
3. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. Gaia Data Release 2
8. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South