Designing an Infrared Robotic Telescope for Antarctica - Di Varano, Igor
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Since decades the Antarctic Plateau is well known to be one of the best astronomical sites on Earth for its remarkable transparency in MIR windows and low scintillation noise, which make telescope performances equivalent to those of a 3 times larger aperture instrument. This work shows the adopted design steps which led from the conceptual phase to the final construction, in order to fulfill the observational requirements. Details about the static and dynamic analysis of the supporting structure and its subassemblies are provided, which have been determined via FEM simulations, once the…mehr

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Produktbeschreibung
Since decades the Antarctic Plateau is well known to be one of the best astronomical sites on Earth for its remarkable transparency in MIR windows and low scintillation noise, which make telescope performances equivalent to those of a 3 times larger aperture instrument. This work shows the adopted design steps which led from the conceptual phase to the final construction, in order to fulfill the observational requirements. Details about the static and dynamic analysis of the supporting structure and its subassemblies are provided, which have been determined via FEM simulations, once the appropriate active loads have been defined. CFD analysis results for the electronic components are also illustrated, to estimate thermal response in an unsteady state, with boundary conditions based on data collected in the previous campaigns. Displacement errors retrieved from simulations represent systematic mechanical errors that, together with the astrometric ones, affect each observation and that must be integrated in the telescope control software.
Autorenporträt
Born in 1975, Igor Di Varano defended his PhD in Astrophysics at University of Teramo in 2006, with a work entitled "Aspects of mechanical design for an infrared robotic telescope in Antarctica". Since 2007 he has been working as a researcher in Leibniz Institute for Astrophysics of Potsdam on optomechanical design for spectropolarimeters.