Hercules A

Hercules A is a radio galaxy in the constellation of Hercules. It is located about 2.2 billion light years away.

References

  1. ↑ "A Multi-Wavelength View of Radio Galaxy Hercules A". NASA.
  2. ↑ Baum, Stefi A.; O'Dea, Christopher P.; de Koff, Sigrid; Sparks, William; Hayes, Jeffrey J. E.; Livio, Mario; Golombek, Daniel (1996-07-01). "Hubble Space Telescope Observations of Obscuration Rings in Hercules A: Implications for Energy Transport in Powerful Radio Galaxies". The Astrophysical Journal. 465: L5. Bibcode:1996ApJ...465L...5B. doi:10.1086/310131. ISSN 0004-637X.