# BD+20°2457 c

> extrasolar planet

**Wikidata**: [Q898382](https://www.wikidata.org/wiki/Q898382)  
**Source**: https://4ort.xyz/entity/bd-20-2457-c


## References

1. SIMBAD
2. Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457
3. Extrasolar Planets Encyclopaedia
4. Exoplanet Archive
5. Freebase Data Dumps. 2013
6. Gaia Early Data Release 3