Matthew M. Dobson

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About

Matthew M. Dobson is an astronomer whose research focuses on the dynamic and often volatile behavior of small bodies in the outer Solar System, particularly Centaurs and comets. His most notable contribution is the discovery and characterization of new or increased cometary activity in the Centaur (2060) 95P/Chiron, a finding published in 2021 that has already garnered 8 citations. Using data from the Asteroid Terrestrial-impact Last Alert System (ATLAS), Dobson demonstrated that Chiron underwent a significant brightening in apparent magnitude beginning in February 2021, an event that could not be explained by rotational light curves or phase effects. This work provided compelling evidence for an onset or enhancement of cometary activity, shedding light on the transitional nature of these icy bodies as they migrate between the Kuiper Belt and the inner Solar System. Dobson’s research is vital for understanding the processes that trigger cometary outgassing and the physical evolution of primitive Solar System objects. His careful analysis of observational data continues to inform models of planetary formation and the volatile inventory of the early Solar System.