Commissioning of the PMAS 3D-spectrograph

PMAS, the Potsdam Multi-Aperture Spectrophotometer, was successfully commissioned at the Calar Alto 3.5m telescope during 2001. PMAS is a medium-resolution, lensarray/fiber based integral field spectrograph, covering the whole optical wavelength range from 350 to 900 nm with optimized high efficiency in the blue. We review the commissioning activities and present the current status of this new instrument.

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