Phase retrieval and design with automatic differentiation: tutorial
The principal limitation in many areas of astronomy, especially for directly imaging
exoplanets, arises from instability in the point spread function (PSF) delivered by the …
exoplanets, arises from instability in the point spread function (PSF) delivered by the …
EuCAPT white paper: opportunities and challenges for theoretical astroparticle physics in the next decade
Astroparticle physics is undergoing a profound transformation, due to a series of
extraordinary new results, such as the discovery of high-energy cosmic neutrinos with …
extraordinary new results, such as the discovery of high-energy cosmic neutrinos with …
Nonlinear wave front reconstruction from a pyramid sensor using neural networks
The pyramid wave front sensor (PyWFS) has become increasingly popular to use in
adaptive optics (AO) systems due to its high sensitivity. The main drawback of the PyWFS is …
adaptive optics (AO) systems due to its high sensitivity. The main drawback of the PyWFS is …
The Near Infrared Imager and Slitless Spectrograph for JWST. V. Kernel Phase Imaging and Data Analysis
J Kammerer, RA Cooper, T Vandal… - Publications of the …, 2023 - iopscience.iop.org
Kernel phase imaging (KPI) enables the direct detection of substellar companions and
circumstellar dust close to and below the classical (Rayleigh) diffraction limit. The high …
circumstellar dust close to and below the classical (Rayleigh) diffraction limit. The high …
Efficient gravitational wave template bank generation with differentiable waveforms
The most sensitive search pipelines for gravitational waves from compact binary mergers
use matched filters to extract signals from the noisy data stream coming from gravitational …
use matched filters to extract signals from the noisy data stream coming from gravitational …
Hybrid propagation physics for the design and modeling of astronomical observatories: a coronagraphic example
For diffraction-limited optical systems, an accurate physical optics model is necessary to
properly evaluate instrument performance. Astronomical observatories outfitted with …
properly evaluate instrument performance. Astronomical observatories outfitted with …
Searching for Protoplanets around MWC 758 and MWC 480 in Br-γ Using Kernel Phase and SCExAO/CHARIS
Discovering new actively accreting protoplanets is crucial to answering open questions
about planet formation. However, identifying such planets at orbital distances where they are …
about planet formation. However, identifying such planets at orbital distances where they are …
Differentiable optics with∂ Lux: I—deep calibration of flat field and phase retrieval with automatic differentiation
The sensitivity limits of space telescopes are imposed by uncalibrated errors in the point
spread function, photon-noise, background light, and detector sensitivity. These are typically …
spread function, photon-noise, background light, and detector sensitivity. These are typically …
An Interpretable Machine-learning Framework for Modeling High-resolution Spectroscopic Data
M Gully-Santiago, CV Morley - The Astrophysical Journal, 2022 - iopscience.iop.org
Abstract Comparison of échelle spectra to synthetic models has become a computational
statistics challenge, with over 10,000 individual spectral lines affecting a typical cool star …
statistics challenge, with over 10,000 individual spectral lines affecting a typical cool star …
Autodifferentiable spectrum model for high-dispersion characterization of exoplanets and Brown dwarfs
We present an autodifferentiable spectral modeling of exoplanets and brown dwarfs. This
model enables a fully Bayesian inference of the high-dispersion data to fit the ab initio line …
model enables a fully Bayesian inference of the high-dispersion data to fit the ab initio line …