# Delta Geminorum A

> spectroscopic binary in the constellation Gemini

**Wikidata**: [Q98541000](https://www.wikidata.org/wiki/Q98541000)  
**Source**: https://4ort.xyz/entity/delta-geminorum-a


## References

1. SIMBAD
2. Source
3. Catalogue of Stellar Photometry in Johnson's 11-color system
4. Gaia Data Release 2
5. The Geneva-Copenhagen survey of the Solar neighbourhood. II. New uvby calibrations and rediscussion of stellar ages, the G dwarf problem, age-metallicity diagram, and heating mechanisms of the disk
6. Ca II HK emission in rapidly rotating stars
7. Validation of the new Hipparcos reduction
8. Rotational velocities of A-type stars. IV. Evolution of rotational velocities