# Q66631340

> spectroscopic binary in the constellation Ophiuchus

**Wikidata**: [Q66631340](https://www.wikidata.org/wiki/Q66631340)  
**Source**: https://4ort.xyz/entity/q66631340


## References

1. SIMBAD
2. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. SB9: The ninth catalogue of spectroscopic binary orbits
7. Catalogue of rotational velocities of the stars