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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.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…

astro-ph.SR2025

Five New Sirius-Like White Dwarf + Main Sequence Star Systems with MagAO-X

Logan A. Pearce, Jared R. Males, Sebastiaan Y. Haffert +20

Most known white dwarfs in multiple systems with main sequence stars have been discovered with M-type companions, because the white dwarf causes detectable UV excess and bluer colo…

astro-ph.EP2025

A planetary-mass candidate imaged in the Young Suns Exoplanet Survey

Pengyu Liu, Matthew A. Kenworthy, Beth A. Biller +26

Directly imaged exoplanets in wide orbits challenge current gas giant formation theories. They need to form quickly and acquire enough material before the disk dissipates, which ca…