Deep solar ALMA neural network estimator for image refinement and estimates of small-scale dynamics

H Eklund - Astronomy & Astrophysics, 2023 - aanda.org
Context. The solar atmosphere is highly dynamic, and observing the small-scale features is
valuable for interpretations of the underlying physical processes. The contrasts and …

On the estimation of the sharp parameter meanalp from aia images using deep neural networks

B Benson, WD Pan, A Prasad, GA Gary, Q Hu - Solar Physics, 2021 - Springer
Abstract Space-weather HMI Active Region Patches (SHARPs) data from the Helioseismic
and Magnetic Imager (HMI) on board the Solar Dynamics Observatory (SDO) provides high …

The Sun at millimeter wavelengths-III. Impact of the spatial resolution on solar ALMA observations

H Eklund, S Wedemeyer, M Szydlarski… - Astronomy & …, 2021 - aanda.org
Context. Interferometric observations of the Sun with the Atacama Large Millimeter/sub-
millimeter Array (ALMA) provide valuable diagnostic tools for studying the small-scale …

Image quality in high-resolution and high-cadence solar imaging

C Denker, E Dineva, H Balthasar, M Verma, C Kuckein… - Solar Physics, 2018 - Springer
Broad-band imaging and even imaging with a moderate bandpass (about 1 nm) provides a
photon-rich environment, where frame selection (lucky imaging) becomes a helpful tool in …

A method for global inversion of multi-resolution solar data

J de la Cruz Rodríguez - Astronomy & Astrophysics, 2019 - aanda.org
Understanding the complex dynamics and structure of the upper solar atmosphere strongly
benefits from the use of a combination of several diagnostics. Frequently, such diverse …

Inferring plasma flows at granular and supergranular scales with a new architecture for the DeepVel neural network

B Tremblay, R Attie - Frontiers in Astronomy and Space Sciences, 2020 - frontiersin.org
The wealth of observational data available has been instrumental in investigating physical
features relevant to solar granulation, supergranulation and Active Regions. Meanwhile …

Using the slope of the brightness temperature continuum as a diagnostic tool for solar ALMA observations

H Eklund, M Szydlarski, S Wedemeyer - Astronomy & Astrophysics, 2023 - aanda.org
Context. The intensity of radiation from the solar atmosphere at millimetre wavelengths is
closely related to the plasma temperature, and the formation height of the radiation is …

FarNet-II: An improved solar far-side active region detection method

EG Broock, AA Ramos, T Felipe - Astronomy & Astrophysics, 2022 - aanda.org
Context. Activity on the far side of the Sun is routinely studied through the analysis of the
seismic oscillations detected on the near side using helioseismic techniques such as phase …

Improving the spatial resolution of solar images using generative adversarial network and self-attention mechanism

J Deng, W Song, D Liu, Q Li, G Lin… - The Astrophysical …, 2021 - iopscience.iop.org
In recent years, the new physics of the Sun has been revealed using advanced data with
high spatial and temporal resolutions. The Helioseismic and Magnetic Imager (HMI) on …

Fast solar image classification using deep learning and its importance for automation in solar physics

JA Armstrong, L Fletcher - Solar Physics, 2019 - Springer
The volume of data being collected in solar physics has exponentially increased over the
past decade and with the introduction of the Daniel K. Inouye Solar Telescope (DKIST) we …