# CI Cygni

> variable star

**Wikidata**: [Q5737157](https://www.wikidata.org/wiki/Q5737157)  
**Source**: https://4ort.xyz/entity/q5737157


## References

1. SIMBAD
2. Search for and study of hot circumstellar dust envelopes
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Catalogue of Stellar Photometry in Johnson's 11-color system
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. Gaia Early Data Release 3
7. SB9: The ninth catalogue of spectroscopic binary orbits
8. Gaia Data Release 2