Astroparticle physics Large detector systems for particle and astroparticle physics 4 Calibration 3 Pierre Auger observatory 3 Augers 2 Calibration method 2 Cosmic rays 2 Cosmology 2 Observatories 2 Particle detectors 2 Uncertainty analysis 2 Absolute calibration 1 Antenna arrays 1 Antennas 1 Atmospheric aerosols 1 Atmospheric corrections 1 Calorimetric measurements 1 Calorimetry 1 Central laser facilities 1 Complementary methods 1 Data acquisition 1 Data analysis 1 Data reduction 1 Detector alignment and calibration methods (lasers, sources, particle-beams) 1 Detector alignment and calibration methods (lasers, sources, particlebeams) 1 Detectors for UV, visible and IR photons 1 Dipole antennas 1 Directional response 1 Directive antennas 1 Electric field components 1