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20242026
most citedA Multiband Study of the HR 4796A Disk in the Optical Using MagAO-X

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astro-ph.EP20261 cited

A Multiband Study of the HR 4796A Disk in the Optical Using MagAO-X

Jay K. Kueny, Alycia J. Weinberger, Zhe-Yu Daniel Lin +18

We present total intensity images of the debris disk around HR 4796A from observations spanning 2023 to 2025 with the Magellan extreme adaptive optics instrument (MagAO-X). We dete…

astro-ph.EP2026

The spectral energy distribution of YSES 1 b and its circumplanetary disc

Michiel Darcis, Sebastiaan Y. Haffert, Tomas Stolker +18

Context. Direct imaging enables the characterisation of substellar companions on wide orbits. These objects provide a testbed for our formation theories; therefore, it is important…

astro-ph.EP2025

Direct Detection of Known Exoplanets in Reflected Light: Predicting Sky Position with Literature Orbit Solutions

Logan A. Pearce, Jared R. Males, Mary Anne Limbach

The next generation of ground- and space-based observatories will enable direct imaging and characterization of cold, mature planets through thermal emission and, for the first tim…

astro-ph.EP2025

Wide Separation Planets In Time (WISPIT): Discovery of a Gap H Protoplanet WISPIT 2b with MagAO-X

Laird M. Close, Richelle F. van Capelleveen, Gabriel Weible +34

Excellent (<25 mas) H images of the star TYC 5709-354-1 led to the discovery of a rare H protoplanet. This star was discovered by the WISPIT survey to have a large multi-…

astro-ph.EP2025

Condensation Clouds in Substellar Atmospheres with Virga

Natasha E. Batalha, Caoimhe M. Rooney, Channon Visscher +14

Here we present an open-source cloud model for substellar atmospheres, called Virga. The Virga-v0 series has already been widely adopted in the literature. It is written in Python…

astro-ph.EP2025

Discovery of H Emission from a Protoplanet Candidate Around the Young Star 2MASS J16120668-3010270 with MagAO-X

Jialin Li, Laird M. Close, Feng Long +32

2MASS J16120668-3010270 (hereafter 2MJ1612) is a young M0 star that hosts a protoplanetary disk in the Upper Scorpious star-forming region. Recent ALMA observations of 2MJ1612 show…