We report measurements of the gravitationally lensed secondary image—the first in an infinite series of so-called" photon rings"—around the supermassive black hole M87* via …
RH Leike, M Glatzle, TA Enßlin - Astronomy & Astrophysics, 2020 - aanda.org
Aims. Mapping the interstellar medium in 3D provides a wealth of insights into its inner working. The Milky Way is the only galaxy for which detailed 3D mapping can be achieved in …
We leverage the 1 pc spatial resolution of the Leike et al. three-dimensional (3D) dust map to characterize the 3D structure of nearby molecular clouds (d≲ 400 pc). We start by" …
H Sun, KL Bouman - Proceedings of the AAAI Conference on Artificial …, 2021 - ojs.aaai.org
Computational image reconstruction algorithms generally produce a single image without any measure of uncertainty or confidence. Regularized Maximum Likelihood (RML) and …
Generating images from very long baseline interferometric observations poses a difficult, and generally not unique, inversion problem. This problem is simplified by the introduction of …
M Terris, A Dabbech, C Tang… - Monthly Notices of the …, 2023 - academic.oup.com
We introduce a new class of iterative image reconstruction algorithms for radio interferometry, at the interface of convex optimization and deep learning, inspired by plug …
Interferometric observations of the mm dust distribution in protoplanetary discs are now showing a ubiquity of annular gap and ring substructures. Their identification and accurate …
R Abuter, N Aimar, A Amorim, P Arras… - Astronomy & …, 2022 - aanda.org
Stellar orbits at the Galactic Center provide a very clean probe of the gravitational potential of the supermassive black hole. They can be studied with unique precision, beyond the …
Context. Self-calibration methods with the CLEAN algorithm have been widely employed in very long baseline interferometry (VLBI) data processing in order to correct antenna-based …