# Sigma Scorpii

> variable star in the constellation Scorpius

**Wikidata**: [Q1036361](https://www.wikidata.org/wiki/Q1036361)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sigma_Scorpii)  
**Source**: https://4ort.xyz/entity/sigma-scorpii


## References

1. SIMBAD
2. Scanner studies of composite spectra I. Dwarfs
3. Catalogue of Stellar Photometry in Johnson's 11-color system
4. Gaia Early Data Release 3
5. Gaia Data Release 2
6. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
7. The interstellar Ca II distance scale
8. The IACOB project. I. Rotational velocities in northern Galactic O- and early B-type stars revisited. The impact of other sources of line-broadening
9. The IACOB project. III. New observational clues to understand macroturbulent broadening in massive O- and B-type stars
10. Validation of the new Hipparcos reduction