# Groombridge 1618

> star in the constellation Ursa Major

**Wikidata**: [Q1197303](https://www.wikidata.org/wiki/Q1197303)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Groombridge_1618)  
**Source**: https://4ort.xyz/entity/groombridge-1618


## References

1. SIMBAD
2. VizieR
3. M dwarf luminosity, radius, and {alpha}-enrichment from I-band spectral features
4. Freebase Data Dumps. 2013
5. Catalogue of Stellar Photometry in Johnson's 11-color system
6. Directly determined linear radii and effective temperatures of exoplanet host stars
7. Gaia Data Release 2
8. Abundances in the Local Region II: F, G, and K Dwarfs and Subgiants