# BD+47 3521A

> star in the constellation Cygnus

**Wikidata**: [Q84979845](https://www.wikidata.org/wiki/Q84979845)  
**Source**: https://4ort.xyz/entity/bd-47-3521a


## References

1. SIMBAD
2. Extrasolar Planets Encyclopaedia
3. Washington Double Star Catalog
4. The Tycho-2 catalogue of the 2.5 million brightest stars
5. Fourth USNO CCD Astrograph Catalog
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Gaia Early Data Release 3
8. TESS Delivers Five New Hot Giant Planets Orbiting Bright Stars from the Full-frame Images
9. Gaia Data Release 2