Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confq..87b&link_type=abstract
"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 87-87"
Astronomy and Astrophysics
Astronomy
Scientific paper
In 2005 we designed a possible focal plane instrument (QuantEYE) for the 100 m OverWhelmingly Large Telescope (OWL) of the European Southern Observatory, as the fastest photon counting astronomical photometer ever conceived, with an array of 100 parallel channels, capable to push the time tagging capabilities toward the pico-second region. Thanks to this extremely high time resolution, and to the enormous photon flux at the output of OWL, it would be possible for the first time to study second-order statistical functions in the photon stream from celestial sources. To acquire real experience with such novel type of astronomical instrumentation, we have built and put in operation a small prototype (AquEYE), with four independent photon counting channels, at the Asiago 182 cm telescope. Each channel has a time tagging capability better than one nanosecond, at a maximum photon rate of 2 MHz. The peak sensitivity of the system is in the visible. This paper will describe the main results obtained so far in the laboratory and at the telescope.
Anzolin Gabriele
Barbieri Cesare
Bolli Pietro
Bonanno Giovanni
di Paola Andrea
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