A New Fast Silicon Photomultiplier Photometer

Abstract

The realization of low-cost instruments with high technical performance is a goal which deserves some efforts in an epoch of fast technological developments: indeed such instruments can be easily reproduced and therefore allow to open new research programs in several Observatories. We realized a fast optical photometer based on the SiPM technology, using commercially available modules. Using low-cost components we have developed a custom electronic chain to extract the signal produced by a commercial MPPC module produced by Hamamatsu, in order to obtain sub millisecond sampling of the light curve of astronomical sources, typically pulsars. In the early February 2011 we observed the Crab Pulsar at the Cassini telescope with our prototype photometer, deriving its period, power spectrum and shape of its light curve in very good agreement with the results obtained in the past with other instruments.

arXiv commentAccepted for Publications of the Astronomical Society of Pacific (PASP), 8 pages, 8 figures

References in corpus (2)

• Simultaneous Absolute Timing of the Crab Pulsar at Radio and Optical Wavelengths
• The Crab pulsar seen with Aqueye at Asiago Cima Ekar Observatory

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• High energy photon polarimeter for astrophysics