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2 results on '"Adriano Ghedina"'

1. BATMAN @ TNG: instrument integration and performance

Author

Marco Riva, Patrick Lanzoni, Manuel Gonzalez, W. Boschin, Filippo Maria Zerbi, Paolo Di Marcantonio, Mathieu Vachey, Luca Valenziano, Marc Jaquet, M. Moschetti, Harald Ramarijaona, Roberto Cirami, Luciano Nicastro, Paolo Spanò, Adriano Ghedina, Emilio Molinari, William Bon, Igor Coretti, Frederic Zamkotsian, Nicolas Tchoubaklian, Rosario Cosentino, Laboratoire d'Astrophysique de Marseille (LAM), Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS), INAF - Osservatorio Astronomico di Brera (OAB), Istituto Nazionale di Astrofisica (INAF), and INAF - Osservatorio Astrofisico di Catania (OACT)

Subjects
Physics, [PHYS.ASTR.IM]Physics [physics]/Astrophysics [astro-ph]/Instrumentation and Methods for Astrophysic [astro-ph.IM], [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic, 02 engineering and technology, [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics, 021001 nanoscience & nanotechnology, 0210 nano-technology, ComputingMilieux_MISCELLANEOUS
Abstract

International audience

Published
2018
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2. Speckle interferometry observations of asteroids at tng

Author

Roberto Ragazzoni, Paolo Tanga, Daniel Hestroffer, E. Diolaiti, Adriano Ghedina, Alberto Cellino, INAF-Osservatorio Astrofisico di Torino (INAF-OATo), Alma Mater Studiorum Università di Bologna [Bologna] (UNIBO), IRA-INAF, Firenze, Institut de Mécanique Céleste et de Calcul des Ephémérides (IMCCE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire de Paris, Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Lille-Centre National de la Recherche Scientifique (CNRS), and Fundación Galileo Galilei & Telescopio Nazionale Galileo

Subjects
Physics, Photometry (optics), Speckle pattern, Average size, Space and Planetary Science, Asteroid, Astronomy, Astronomy and Astrophysics, Spin axis, Speckle imaging, [PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Abstract

International audience; The Speckle camera of the 3.5 m Telescopio Nazionale Galileo (TNG) has been used to measure apparent sizes and shapes of a number of main belt asteroids. The average size measurements are in a generally good agreement with the results of indirect IRAS-based radiometric techniques. The measured shapes are compared with predictions based on previously derived spin axis directions and lightcurve photometry of some of the observed objects. Also in this case the agreement is reasonable and the speckle observations allow us to discriminate in some cases between the two pole solutions usually found for each object. No clear evidence of binaries was found. The results show that the TNG speckle camera can be a powerful tool to resolve relatively large main belt asteroids and to calibrate the results of the IRAS survey.

Published
2003
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