HARMONI: the ELT's First-Light Near-infrared and Visible Integral Field Spectrograph
The High Angular Resolution Monolithic Optical and Near-infrared Integral field spectrograph (HARMONI) is the visible and near-infrared (NIR), adaptive-optics-assisted, integral field spectrograph for ESO's Extremely Large Telescope (ELT). It will have both a single-conjugate adaptive optics (S...
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| creator | Thatte, Niranjan Tecza, Matthias Schnetler, Hermine Neichel, Benoît Melotte, Dave Fusco, Thierry Ferraro-Wood, Vanessa Clarke, Fraser Bryson, Ian O'Brien, Kieran Mateo, Mario Begoña Garcia Lorenzo Evans, Chris Bouché, Nicolas Arribas, Santiago the HARMONI Consortium |
| description | The High Angular Resolution Monolithic Optical and Near-infrared Integral field spectrograph (HARMONI) is the visible and near-infrared (NIR), adaptive-optics-assisted, integral field spectrograph for ESO's Extremely Large Telescope (ELT). It will have both a single-conjugate adaptive optics (SCAO) mode (using a single bright natural guide star) and a laser tomographic adaptive optics (LTAO) mode (using multiple laser guide stars), providing near diffraction-limited hyper-spectral imaging with high performance and good sky coverage, respectively. A unique high-contrast adaptive optics (HCAO) capability has recently been added for exoplanet characterisation. A large detector complement of eight HAWAII-4RG arrays, four choices of spaxel scale, and 11 grating choices with resolving powers ranging from R~3000 to R~17000 make HARMONI a very versatile instrument that can cater to a wide range of observing programmes. |
| doi_str_mv | 10.48550/arxiv.2103.11215 |
| format | Article |
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| subjects | Adaptive optics Angular resolution European Southern Observatory Extrasolar planets Extremely large telescopes Integrals Laser guide stars Near infrared radiation Physics - Instrumentation and Methods for Astrophysics |
| title | HARMONI: the ELT's First-Light Near-infrared and Visible Integral Field Spectrograph |
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