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Cesare Barbieri on Muck Rack

Cesare Barbieri

As seen in: MDPI, Science Magazine
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Articles

Quantum Astronomy at the University and INAF Astronomical Observatory of Padova, Italy

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By Cesare Barbieri, Luca X. Zampieri, Giampiero Naletto
| MDPI
2. From QuantEye to AquEye and IquEye In QuantEye, we described how to couple the enormous 100 m aperture of OWL to an array of 50 μm diameter ultrafast single photon detectors: this was realized by subdividing the exit pupil of the telescope in 10 × 10 sub-pupils by means of a lenslet array, with each sub-pupil feeding its own detector [2]. To test such a scheme in real telescopes, we took advantage of the availability of our 1.8 m Copernicus telescope at Cima Ekar, Asiago.
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On the nucleus structure and activity of comet 67P/Churyumov-Gerasimenko

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By Philippe Lamy, Aix Marseille Université, Holger Sierks, Cesare Barbieri, Rafael Rodrigo
| Science Magazine Verified
Images from the OSIRIS scientific imaging system onboard Rosetta show that the nucleus of 67P/Churyumov-Gerasimenko consists of two lobes connected by a short neck. The nucleus has a bulk density less than half that of water. Activity at a distance from the Sun of >3 astronomical units is predominantly from the neck, where jets have been seen consistently. The nucleus rotates about the principal axis of momentum.
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