# 3 Geminorum

> highly luminous blue supergiant star in the constellation Gemini

**Wikidata**: [Q15939860](https://www.wikidata.org/wiki/Q15939860)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/3_Geminorum)  
**Source**: https://4ort.xyz/entity/3-geminorum


## References

1. General Catalogue of Variable Stars
2. SIMBAD
3. Luminous Stars in the Northern Milky Way
4. Washington Double Star Catalog
5. Variability survey of brightest stars in selected OB associations
6. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
7. Catalogue of Stellar Photometry in Johnson's 11-color system
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Gaia Early Data Release 3
10. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
11. The interstellar Ca II distance scale
12. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars
13. Gaia Data Release 2
14. Fundamental parameters of B supergiants from the BCD system. I. Calibration of the (λ_1, D) parameters into Teff