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About

David J. Robertson is an instrumental astronomer whose work has profoundly shaped the field of integral field spectroscopy (IFS), particularly for large-scale galaxy surveys. His key research areas centre on the design, development, and deployment of advanced multi-object spectrographs, with a specific focus on fibre-optic systems and image-slicing technologies. Robertson’s most significant contribution is his leadership in creating the Hector instrument for the Anglo-Australian Telescope (AAT). Building directly on the success of the SAMI instrument, Hector dramatically expands our capacity for large IFS surveys of nearby galaxies by employing high fill-factor imaging fibre bundles known as ‘hexabundles’. This innovation, detailed in his highly cited 2020 paper (19 citations), enables the simultaneous observation of hundreds of galaxies, providing unprecedented 3D data cubes of their internal motions and chemical compositions. Earlier in his career, Robertson conducted foundational technical studies on using image slicers for multiple IFS at infrared wavelengths (2003), exploring robotic arms to dissect focal planes. While this earlier work has fewer citations, it laid crucial groundwork for the robotic positioning systems now integral to instruments like Hector. Robertson’s work is not just about building better tools; it is about enabling the next generation of astronomical discovery, making him a pivotal figure in modern observational cosmology.