# HD 17581

> binary star system in the constellation Cassiopeia

**Wikidata**: [Q6870654](https://www.wikidata.org/wiki/Q6870654)  
**Source**: https://4ort.xyz/entity/q6870654


## References

1. SIMBAD
2. SB9: The ninth catalogue of spectroscopic binary orbits
3. [VizieR](http://vizier.cfa.harvard.edu/viz-bin/VizieR-5?-ref=VIZ60bffbf71f356&-out.add=.&-source=VI/42/out&-c=040.5968%20%2b57.7952,eq=B1875,rs=2)
4. A study of the bright A stars. I. A catalogue of spectral classifications
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. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
9. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
10. Two A-type spectroscopic binaries
11. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i