# Xi Ophiuchi

> binary star system in the constellation Ophiuchus

**Wikidata**: [Q5176378](https://www.wikidata.org/wiki/Q5176378)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Xi_Ophiuchi)  
**Source**: https://4ort.xyz/entity/xi-ophiuchi


## References

1. Washington Double Star Catalog
2. SIMBAD
3. Space-velocity vectors for 3483 stars with proper motion and radial velocity
4. Spectral types and luminosities of B, A and F southern stars
5. Source
6. Gaia Data Release 3
7. Freebase Data Dumps
8. The Tycho-2 catalogue of the 2.5 million brightest stars
9. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
10. Gaia Early Data Release 3
11. Gaia Data Release 2
12. Abundances in the local region. III. Southern F, G, and K dwarfs
13. New measurements of rotation and differential rotation in A-F stars: are there two populations of differentially rotating stars?