# S Draconis

> variable star in the constellation Draco

**Wikidata**: [Q31890198](https://www.wikidata.org/wiki/Q31890198)  
**Source**: https://4ort.xyz/entity/s-draconis


## References

1. General Catalogue of Variable Stars
2. A survey of the spectra and radial velocities of the less regular M-type variable stars
3. SIMBAD
4. VizieR Online Data Catalog: General Catalogue of Variable Stars (Samus+, 2007-2017)
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Gaia Data Release 2
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Validation of the new Hipparcos reduction
9. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system