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19942026
most citedHot Spine Loops and the Nature of a Late-Phase Solar Flare

187 citations

Showing astro-ph.IMShow all

8 papers · 1 filter

astro-ph.IM2026

Demonstration of simultaneous PIAA- coronagraphy and wavefront sensing using a single metasurface-based focal-plane optic

Dhwanil Patel, Sebastiaan Y. Haffert, Skyler Palatnick +23

Controlling residual wavefront aberrations downstream of an extreme adaptive optics (ExAO) system is a major challenge in high-contrast imaging. These aberrations produce quasi-sta…

astro-ph.IM2026

Phase-Induced Amplitude Apodization Complex Mask Coronagraph (PIAACMC) on-sky demonstration with MagAO-X

Elena Tonucci, Sebastiaan Haffert, Warren Foster +18

Advancing the technological development of small inner working angle (IWA) coronagraphs is essential to enabling high-contrast imaging of temperate exoplanets with future extremely…

astro-ph.IM2025★ 5 cited

Phasing the Giant Magellan Telescope: Lab Experiments and First On-sky Demonstration

Maggie Y. Kautz, Sebastiaan Y. Haffert, Laird M. Close +21

The large apertures of the upcoming generation of Giant Segmented Mirror Telescopes will enable unprecedented angular resolutions that scale as /D and higher sensitivi…

astro-ph.IM2022★ 31 cited

Towards on-sky adaptive optics control using reinforcement learning

J. Nousiainen, C. Rajani, M. Kasper +15

The direct imaging of potentially habitable Exoplanets is one prime science case for the next generation of high contrast imaging instruments on ground-based extremely large telesc…

astro-ph.IM2018★ 11 cited

Modeling the Ionosphere with GPS and Rotation Measure Observations

J. B. Malins, S. M. White, G. B. Taylor +2

The ionosphere contributes time-varying Faraday Rotation (FR) to radio signals passing through it. Correction for the effect of the ionosphere is important for deriving magnetic fi…

astro-ph.IM2015★ 17 cited

Measurements and Modeling of Total Solar Irradiance in X-Class Solar Flares

Christopher Samuel Moore, Phillip Clyde Chamberlin, Rachel Hock

The Total Irradiance Monitor (TIM) from NASA's SOlar Radiation and Climate Experiment (SORCE) can detect changes in the Total Solar Irradiance (TSI) to a precision of 2 ppm, allowi…