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21 July 2008 Studies for the first generation of instruments for the European ELT
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The European Southern Observatory (ESO) is conducting a phase B study of a European Extremely Large Telescope (E-ELT). The baseline concept foresees a 42m primary, 5 mirror adaptive telescope with two of the mirrors giving the possibility of very fast correction of the atmospheric turbulence. In parallel to the telescope study, ESO is coordinating 8 studies of instruments and 2 of post-focus Adaptive Optics systems, carried out in collaboration with Institutes in the member states. Scope of the studies, to be completed by 1Q 2010, is to demonstrate that the high priority scientific goals of the E-ELT project can be achieved with feasible and affordable instruments. The main observing modes being considered are: NIR wide field imaging and spectroscopy to the diffraction limit or with partial correction of the atmospheric seeing; high spectral resolution, high stability visible spectroscopy; high contrast, diffraction limited imaging and spectroscopy; DL mid-infrared imaging and spectroscopy. The status of the 8 current studies is presented.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sandro D'Odorico, Mark Casali, Juan-Carlos Gonzales, Markus Kasper, Hans Ulrich Käufl, Markus Kissler Patig, Luca Pasquini, Suzanne Ramsay, Ralf Siebenmorgen, Joel Vernet, and Filippo M. Zerbi "Studies for the first generation of instruments for the European ELT", Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70141E (21 July 2008);

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