The Giant Magellan Telescope (GMT) Commissioning Camera (ComCam) is an all-refractive, focal reducing camera intended for the evaluation of telescope performance in both natural seeing and ground layer adaptive optics modes across a six arcminute field of view. As the first purpose-built, large imager for the GMT, it also provides unique public outreach functions and scientific research opportunities by enabling both narrowband and broadband imaging and photometric measurements at wavelengths between 360 and 950 nm. In addition to a discrete set of narrowband and broadband filters, inclusion of a deployable Fabry-Perot etalon will greatly enhance ComCam’s capabilities. With an image scale of 0.06 arcseconds per pixel, ComCam will be able to take full advantage of the GMT’s GLAO-corrected image quality under the best predicted conditions. ComCam has undergone a conceptual design review and is now under development in the preliminary design phase. Instrumental first light will be concurrent with that of the GMT.
High resolution spectroscopy has been considered of a primary importance to exploit the main scientific cases foreseen for ESO ELT, the Extremely Large Telescope, the future largest optical-infrared telescope in the world. In this context ESO commissioned a Phase-A feasibility study for the construction of a high resolution spectrograph for the ELT, tentatively named HIRES. The study, which lasted 1.5 years, started on March 2016 and was completed with a review phase held at Garching ESO headquarters with the aim to assess the scientific and technical feasibility of the proposed instrument. One of the main tasks of the study is the architectural design of the software covering all the aspects relevant to control an astronomical instrument: from observation preparation through instrument hardware and detectors control till data reduction and analysis. In this paper we present the outcome of the Phase-A study for the proposed HIRES software design highlighting its peculiarities, critical areas and performance aspects for the whole data flow. The End-toEnd simulator, a tool already capable of simulating HIRES end products and currently being used to drive some design decision, is also shortly described.
We present the results from the phase A study of ELT-HIRES, an optical-infrared High Resolution Spectrograph for ELT, which has just been completed by a consortium of 30 institutes from 12 countries forming a team of about 200 scientists and engineers. The top science cases of ELT-HIRES will be the detection of life signatures from exoplanet atmospheres, tests on the stability of Nature’s fundamental couplings, the direct detection of the cosmic acceleration. However, the science requirements of these science cases enable many other groundbreaking science cases. The baseline design, which allows to fulfil the top science cases, consists in a modular fiber- fed cross-dispersed echelle spectrograph with two ultra-stable spectral arms providing a simultaneous spectral range of 0.4-1.8 μm at a spectral resolution of ~100,000. The fiber-feeding allows ELT-HIRES to have several, interchangeable observing modes including a SCAO module and a small diffraction-limited IFU.
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