# WR 9

> star

**Wikidata**: [Q3691932](https://www.wikidata.org/wiki/Q3691932)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/WR_9)  
**Source**: https://4ort.xyz/entity/wr-9


## References

1. SIMBAD
2. VizieR
3. Magellanic Cloud WC/WO Wolf-Rayet stars - I. Binary frequency and Roche lobe overflow formation
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. Fourth USNO CCD Astrograph Catalog
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. SB9: The ninth catalogue of spectroscopic binary orbits