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About

Rafael Ribeiro is a key figure in the development of next-generation astronomical instrumentation, with his work centered on the Giant Magellan Telescope (GMT). His primary research areas include fibre-optic positioning systems and the design of cutting-edge science instruments for extremely large telescopes. Ribeiro’s most notable contribution is his leadership on the MANIFEST project, a multi-object fibre positioner that employs innovative ‘Starbug’ robots to precisely position fibre units across the GMT’s focal plane. This system, detailed in his 2020 paper, will dramatically expand the telescope’s capabilities by enabling simultaneous observations of hundreds of objects. His 2024 paper further outlines the first-generation instrument suite for the GMT, including visible and infrared spectrographs like GMACS and GCLEF, which will deliver a broad range of spectroscopic capabilities at first light. While his citation counts are currently modest (3 and 2 citations respectively), this reflects the forward-looking nature of his work on instruments still under development. Ribeiro’s contributions are foundational to the GMT’s scientific potential, positioning him as a vital contributor to the future of ground-based astronomy.