The Messenger Astronomical Science

ALMA Resolves the Stellar Birth Explosions in Distant Radio-Loud Quasars

Authors
  • Barthel, Peter [Kapteyn Astronomical Institute, University of Groningen, the Netherlands]
  • Versteeg, José [Kapteyn Astronomical Institute, University of Groningen, the Netherlands; Department of Astrophysics/IMAPP, Radboud University, Nijmegen, the Netherlands]

Section
Astronomical Science
Abstract

Far-infrared photometry with the Herschel Space Observatory has found many examples of ultra-luminous dust emission at around 40 K in the host galaxies of high-redshift, radio-loud 3C Active Galactic Nuclei (AGN). The dust heating could have its origin in the central black hole activity or extreme circumnuclear starbursts, or both. We have used the Atacama Large Millimeter/submillimeter Array (ALMA) in Cycle 3 to study the dust morphology on the kiloparsec scale in a sample of these AGN, and present the results for three well-known distant quasars: 3C298, 3C318, and 3C454. After correction for the non-thermal radiation at 1 mm, the observations imply a starburst origin for the cool thermal dust emission, and a symbiotic physical relationship with the AGN-driven radio source.


Dates
Created: 2019-06-01/2019-06-30
Length
3 pages

Cite this article:

P. Barthel, J. Versteeg; ALMA Resolves the Stellar Birth Explosions in Distant Radio-Loud Quasars. The Messenger 176 (June 2019): 37–39. https://doi.org/10.18727/0722-6691/5140