Integral Field Spectroscopy of Selected Extragalactic Objects with FUEGOS
1995
Combining the large collecting area of the VLT, optimal seeing conditions (typically < 0.7″) and the integral field spectroscopic capabilities (ARGUS mode) of FUEGOS (also known as the Multi-Fibre Area Spectrograph), it will become possible to address several new and important scientific issues in the field of gravitational lensing, physical studies of quasar host galaxies, etc. After a brief introduction, we recall some of the well known effects caused by macro- and micro- lensing as well as a few related applications of great astrophysical and cosmological interest. We then review the expected instrumental performance of FUEGOS in its ARGUS mode and the type of observational data that can be retrieved. Finally, we describe typical challenging FUEGOS/ARGUS observations of gravitational lens systems that could be successfully carried out at the Nasmyth focus of VLT No 3.
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