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The MAVIS consortium was selected in November 2018 to do the Phase A for this instrument.

In June 2018, after an extensive, multi-year consultation with the ESO scientific and instrumentation community, ESO called for proposals to build a “wide” field diffraction limited visible instrumentation for the Adaptive Optics Facility at the Very Large Telescope. We present the motivations, requirements, principal design choices, conceptual design, expected performance and an overview of the exciting science enabled by MAVIS. MAVIS successfully passed its Phase A in May 2020.

MAVIS ( MCAO-assisted Visible Imager and Spectrograph) will deliver visible images and integral field spectrograph data with 2-3x better angular resolution than the Hubble Space Telescope, making it a powerful complement at visible wavelengths to future facilities like the space-based James Webb Space Telescope and the 30 to 40m-class ground-based telescopes currently under construction, which are all targeting science at near-infrared wavelengths. This paper has many authors (essentially the entire MAVIS phase A crew).Ī consortium of several Australian and European institutes – together with the European Southern Observatory (ESO) – has initiated the design of MAVIS, a Multi-Conjugate Adaptive Optics (MCAO) system for the ground-based 8-m Very Large Telescope (VLT).