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Obituary for Michael Hillas

It is our sad duty to announce that Michael Hillas, a great scientist and founder of modern high-energy astroparticle physics, passed away on November 26, 2017 at the age of 85.

New Spokespersons for the Pierre Auger Observatory


We are very happy to announce the election of our new spokespersons at the recent collaboration meeting of the Pierre Auger Observatory.

Calibration of the Logarithmic-Periodic Dipole Antenna (LPDA) Radio Stations at the Pierre Auger Observatory using an Octocopter


In a recent calibration campaign at the Pierre Auger Observatory, the directional and frequency characteristics of the radio stations equipped with logarithmic periodic dipole antennas (LPDAs) have been determined using a remotely piloted octocopter.

Spectral Calibration of the Fluorescence Telescopes of the Pierre Auger Observatory


To estimate the energy of any cosmic ray event detected by the Pierre Auger Observatory, the detectors have to be calibrated.

The Pierre Auger, ANTARES, and IceCube Observatories team up for a search of neutrino emission from the binary neutron star merger GW170817

On August 17, 2017 the LIGO and Virgo collaboration measured a gravitational wave originating from a binary neutron star merger.

50 year-old mystery has been solved

Ever since the existence of cosmic rays with individual energies of several Joules was established in the 1960s, speculation has raged as to whether cosmic particles of mean energy of 2 Joules are created in our Milky Way or in distant extragalactic objects.

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