# S Orionis

> variable star in the constellation Orion

**Wikidata**: [Q249874](https://www.wikidata.org/wiki/Q249874)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/S_Orionis)  
**Source**: https://4ort.xyz/entity/s-orionis


## References

1. SIMBAD
2. General Catalogue of Variable Stars
3. Revised catalog of spectra of Mira variables of types Me and Se
4. Freebase Data Dumps. 2013
5. The All Sky Automated Survey. Variable Stars in the 0h - 6h Quarter of the Southern Hemisphere
6. The ASAS-SN Catalog of Variable Stars II: Uniform Classification of 412,000 Known Variables
7. Determination of pulsation periods and other parameters of 2875 stars classified as Mira in the All Sky Automated Survey (ASAS)
8. Catalogue of Stellar Photometry in Johnson's 11-color system
9. Gaia Early Data Release 3
10. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
11. Gaia Data Release 2