# SBC9 1232

> binary star system in the Cygnus constellation

**Wikidata**: [Q5840888](https://www.wikidata.org/wiki/Q5840888)  
**Source**: https://4ort.xyz/entity/sbc9-1232


## References

1. SIMBAD
2. First visual orbit for the prototypical colliding-wind binary WR 140
3. High-Resolution Radio Observations of the Colliding-Wind Binary WR 140
4. The orbit and stellar masses of the archetype colliding-wind binary WR 140
5. A spectroscopic multiplicity survey of Galactic Wolf-Rayet stars: I. The northern WC sequence
6. Spectroscopy of the archetype colliding-wind binary WR 140 during the 2009 January periastron passage
7. Results from the 2009 campaign on WR 140
8. [Source](http://www.wikisky.org/starview?object_type=1&object_id=789403)
9. Catalogue of Stellar Photometry in Johnson's 11-color system
10. WR 140 (=V1687 Cyg): Infrared photometry, 2001-2010
11. Gaia Early Data Release 3
12. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
13. SB9: The ninth catalogue of spectroscopic binary orbits
14. Gaia Data Release 2