# Q75144540
**Wikidata**: [Q75144540](https://www.wikidata.org/wiki/Q75144540)  
**Source**: https://4ort.xyz/entity/q75144540


## References

1. Washington Double Star Catalog
2. Catalogue of two dimentional spectral types for the HD stars, Vol. 2
3. VizieR Online Data Catalog: Henry Draper Catalogue and Extension, published in Ann. Harvard Obs. 91-100 (1918-1925)
4. SIMBAD
5. Fourth USNO CCD Astrograph Catalog
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. The Tycho-2 catalogue of the 2.5 million brightest stars
8. Gaia Data Release 1. Summary of the astrometric, photometric, and survey properties