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Astro Seminar

One or two tricks from machine vision applied to the study of the magnetized interstellar medium

Speaker: Dr Juan Soler (Heidelberg)
Date: Wednesday 13 May 2020
Time: 14:00
Venue: Zoom

The broad range of scales, the diversity of physical conditions, and the mounting volumes of data pose a significant challenge to traditional techniques used to describe the dynamical behaviour of the interstellar medium (ISM). But these large volumes of observed and simulated data may be analysed computationally to reveal patterns, trends, and associations to test our models of the physical processes that lead from the diffuse ISM to the formation of stars. I will present two examples of how some techniques borrowed from machine vision can improve our understanding of the cycle of matter in the ISM. First, in the study of the influence of the magnetic fields in the process of molecular cloud formation and, second, in the characterization of the imprint of stellar feedback in the velocity information from spectral line observations of atomic and molecular gas.