# HD 204018

> visual binary in Microscopium

**Wikidata**: [Q6868830](https://www.wikidata.org/wiki/Q6868830)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HD_204018)  
**Source**: https://4ort.xyz/entity/hd-204018


## References

1. SIMBAD
2. VizieR
3. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
4. Washington Double Star Catalog
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Validation of the new Hipparcos reduction
8. Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system
9. Catalogue of rotational velocities of the stars