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21 February 2003 High angular resolution in 2010-2020: a comparison between possible post-VLT/VLTI instruments
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Abstract
The 8-m class telescopes are now in full operation, while 100-m baseline interferometers (VLTI, KeckI) are starting routine operation too. A working group from the French high angular resolution community tried to identify what could be our post-VLT/VLTI instruments after 2010. Possible future instruments, ground or space-based, can be split into three main categories: Extremely large filled aperture telescopes, diluted interferometric arrays for direct imaging, and diluted interferometric arrays for aperture synthesis imaging. These concepts are compared in terms of observing capabilities and performances (spatial resolution, field of view, imaging capability, sensitivity, photometric dynamical range, etc.), technological issues (adaptive optics, phasing, instrument mount, etc.) and R&D priorities.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Luc Arnold, Anne-Marie Lagrange, Denis Mourard, Pierre Riaud, Marc Ferrari, Sophie Gillet, Pierre Y. Kern, Laurent Koechlin, Antoine Labeyrie, Olivier Lardiere, Fabien Malbet, Guy S. Perrin, Gerard Rousset, and Michel Tallon "High angular resolution in 2010-2020: a comparison between possible post-VLT/VLTI instruments", Proc. SPIE 4838, Interferometry for Optical Astronomy II, (21 February 2003); https://doi.org/10.1117/12.458939
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