Mamoru Doi

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About

Mamoru Doi is a leading figure in observational astronomy and astronomical instrumentation, best known for his transformative work on wide-field imaging. His key research areas include the development of advanced survey cameras, supernova cosmology, and the study of galaxy evolution. Doi’s most notable contribution is his leadership in designing and building the Kiso Wide Field Camera (KWFC), a facility instrument for the 105-cm Schmidt Telescope at the University of Tokyo’s Kiso Observatory. This camera, which covers a four-square-degree field of view with eight CCDs, revolutionized the observatory’s capabilities by enabling large-area sky surveys. The KWFC has been instrumental in projects such as the Kiso Supernova Survey, which has discovered hundreds of supernovae and provided critical data for understanding dark energy. With his 2012 paper on the KWFC garnering 39 citations, Doi’s work has had a lasting impact on the astronomical community, facilitating high-cadence, wide-field observations that bridge the gap between small telescopes and massive survey facilities. His achievements have made him a key figure in Japanese observational astronomy, inspiring a new generation of instrument builders and survey scientists.