# 七公增一

> star in the constellation Draco

**Wikidata**: [Q10864492](https://www.wikidata.org/wiki/Q10864492)  
**Source**: https://4ort.xyz/entity/q10864492


## References

1. SIMBAD
2. MK classification for visual binary components
3. Washington Double Star Catalog
4. UBV photometry of stars whose positions are accurately known. VI
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. Fourth USNO CCD Astrograph Catalog
7. The revision of the general catalogue of radial velocities
8. Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
9. Rotational velocities of A-type stars in the northern hemisphere. II. Measurement of v sin i
10. Rotational velocities of A-type stars. III. Velocity distributions
11. Rotational velocities of A-type stars. IV. Evolution of rotational velocities