HARMONI at ELT: Overview of capabilities and expected performance of the ELT's AO assisted integral field spectrograph
GROUND-BASED AND AIRBORNE INSTRUMENTATION FOR ASTRONOMY IX(2022)
摘要
HARMONI is the first light, adaptive optics assisted, integral field spectrograph for the European Southern Observatory's Extremely Large Telescope (ELT). A work-horse instrument, it provides the ELT's diffraction limited spectroscopic capability across the near-infrared wavelength range. HARMONI will exploit the ELT's unique combination of exquisite spatial resolution and enormous collecting area, enabling transformational science. The design of the instrument is being finalized, and the plans for assembly, integration and testing are being detailed. We present an overview of the instrument's capabilities from a user perspective, and provide a summary of the instrument's design. We also include recent changes to the project, both technical and programmatic, that have resulted from red-flag actions. Finally, we outline some of the simulated HARMONI observations currently being analyzed.
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关键词
integral field spectroscopy,adaptive optics,ELT,image slicer,high contrast
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