PEPSI-feed: linking PEPSI to the Vatican Advanced Technology Telescope using a 450m long fibre
AffiliationUniv Arizona, Vatican Observ
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PublisherSPIE-INT SOC OPTICAL ENGINEERING
CitationD. P. Sablowski ; M. Weber ; M. Woche ; I. Ilyin ; A. Järvinen ; K. G. Strassmeier and P. Gabor " PEPSI-feed: linking PEPSI to the Vatican Advanced Technology Telescope using a 450m long fibre ", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99125H (July 22, 2016); doi:10.1117/12.2231874; http://dx.doi.org/10.1117/12.2231874
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AbstractLimited observing time at large telescopes equipped with the most powerful spectrographs makes it almost impossible to gain long and well-sampled time-series observations. Ditto, high-time-resolution observations of bright targets with high signal-to-noise are rare. By pulling an optical fibre of 450m length from the Vatican Advanced Technology Telescope (VATT) to the Large Binocular Telescope (LBT) to connect the Potsdam Echelle Polarimetric and Spectroscopic Instrument (PEPSI) to the VATT, allows for ultra-high resolution time-series measurements of bright targets. This article presents the fibre-link in detail from the technical point-of-view, demonstrates its performance from first observations, and sketches current applications.
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