# Eta Ophiuchi B
**Wikidata**: [Q66476821](https://www.wikidata.org/wiki/Q66476821)  
**Source**: https://4ort.xyz/entity/eta-ophiuchi-b


## References

1. SIMBAD
2. Scanner studies of composite spectra I. Dwarfs
3. Washington Double Star Catalog
4. The Tycho double star catalogue