# Cygnus A

> radio galaxy

**Wikidata**: [Q1147716](https://www.wikidata.org/wiki/Q1147716)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cygnus_A)  
**Source**: https://4ort.xyz/entity/cygnus-a


## References

1. SIMBAD
2. VizieR
3. Library of Congress
4. Freebase Data Dumps. 2013
5. Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003
6. An atlas of mid-infrared spectra of star-forming and active galaxies
7. The Two Micron All Sky Survey (2MASS)
8. Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope
9. The second realization of the international celestial reference frame by very long baseline interferometry
10. National Library of Israel