HARMONI: the ELT's First-Light Near-infrared and Visible Integral Field Spectrograph

Bibcode
2021Msngr.182....7T
DOI
10.18727/0722-6691/5215
Thatte, N.; Tecza, M.; Schnetler, H.; Neichel, B.; Melotte, D.; Fusco, T.; Ferraro-Wood, V.; Clarke, F.; Bryson, I.; O'Brien, K.; Mateo, M.; Garcia Lorenzo, B.; Evans, C.; Bouché, N.; Arribas, S.; HARMONI Consortium
Bibliographical reference

The Messenger

Advertised on:
3
2021
Number of authors
16
IAC number of authors
1
Citations
26
Refereed citations
24
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. A unique high-contrast adaptive optics with high performance and good sky coverage, respectively (AO) 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 ~ 17 000 make HARMONI a very versatile instrument that can cater to a wide range of observing programmes.
Type
Non-refereed

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