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Millimeter-Wave Monitoring of Active Galactic Nuclei with the Africa Millimetre Telescope

Department of Physics, University of Namibia, Private Bag 13301, Windhoek 10005, Namibia
Centre for Space Research, North-West University, Private Bag X6001, Potchefstroom 2520, South Africa
Department of Astrophysics/Institute for Mathematics, Astrophysics and Particle Physics (IMAPP), Radboud University, P.O. Box 9010, 6525 AJ Nijmegen, The Netherlands
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
ASTRON—Netherlands Institute for Radio Astronomy, 7990 AA Dwingeloo, The Netherlands
NIKHEF—National Institute for Nuclear and High Energy Physics, 1098 XG Amsterdam, The Netherlands
Author to whom correspondence should be addressed.
Galaxies 2019, 7(2), 66;
Received: 27 February 2019 / Revised: 14 June 2019 / Accepted: 15 June 2019 / Published: 25 June 2019
(This article belongs to the Special Issue Monitoring the Non-Thermal Universe)
PDF [771 KB, uploaded 26 June 2019]


Active galactic nuclei are the dominant sources of gamma rays outside our galaxy and are also candidates for the source of ultra-high energy cosmic rays. In addition to being emitters of broad-band non-thermal radiation throughout the electromagnetic spectrum, their emission is highly variable on timescales from years to minutes. Hence, high-cadence monitoring observations are needed to understand their emission mechanisms. The Africa Millimetre Telescope is planned to be the first mm-wave radio telescope on the African continent and one of few in the southern hemisphere. Further to contributing to the global mm-VLBI observations with the Event Horizon Telescope, substantial amounts of observation time will be available for monitoring observations of active galactic nuclei. Here we review the scientific scope of the Africa Millimetre Telescope for monitoring of active galactic nuclei at mm-wavelengths. View Full-Text
Keywords: active galactic nuclei; millimeter-wave astronomy; mm-VLBI; monitoring active galactic nuclei; millimeter-wave astronomy; mm-VLBI; monitoring
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Backes, M.; Böttcher, M.; Falcke, H. Millimeter-Wave Monitoring of Active Galactic Nuclei with the Africa Millimetre Telescope. Galaxies 2019, 7, 66.

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