Max-Planck-Institute for Radio Astronomy

Auf dem Hügel 69
D-53121 Bonn - Endenich

Research Departments

Radio astronomical measurements allow the study of a variety of questions in fundamental physics. Those questions range from the equation-of-state of super-dense matter to the investigation of fundamental forces such as gravity and magnetism.

The research team uses the millimetre- and sub-millimetre range of the electromagnetic spectrum to observe various phenomena in the universe. The cosmic background radiation is also being investigated, as well as molecular clouds in the Milky Way and other galaxies.

By employing radio-interferometry, extragalactic objects and their centres are investigated in great detail. The Very Long Base Line Interferometry (VLBI) method is applied by correlating data from telescopes distributed worldwide and using them as a “giant“ combined telescope within the framework of coordinated arrays as the the European VLBI network (EVN). In addition, global VLBI experiments are conducted in cooperation with telescopes in the USA.


Research News

The European Pulsar Timing Array collaboration reports on the outcome of a 24 year observing campaign with five large-aperture radio telescopes in Europe, resulting in a candidate signal for the since-long sought gravitational wave background due to ...

In their search for distant galaxies, rapidly rotating neutron stars and black holes, radio astronomers are collecting an ever-increasing amount of data. In the future, this flood of data will also be analyzed with the help of artificial ...


An enormous jet of particles emitted by the giant galaxy M87 can be observed astronomically in various wavelengths. Dr. Alejandro Cruz Osorio and Professor Luciano Rezzolla from Goethe University Frankfurt together with an international team of ...

An international research team led by Di Li and Pei Wang (National Astronomical Observatories of the Chinese Academy of Sciences) including Marylin Cruces, Michael Kramer and Laura Spitler from the MPIfR in Bonn caught an extreme episode of cosmic ...

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