Auger fluorescence telescope

An Auger fluorescence telescope. The mirror is visible on the left with the camera in the middle and the aperture window to the right. The Auger array combines fluorescence detectors with a large-area array.
International Journal of High-Energy Physics

An Auger fluorescence telescope. The mirror is visible on the left with the camera in the middle and the aperture window to the right. The Auger array combines fluorescence detectors with a large-area array.