activity
19992026
most citedTW Hydrae: evidence of stellar spots instead of a Hot Jupiter

242 citations · 3k across the 109 of their papers we have counts for

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Showing 2025Show all

8 papers · 1 filter

astro-ph.IM2025

Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake. How do Planetary Systems Form?

I. Mendigutía, N. Huélamo, I. Jiménez-Serra +32

The detection and characterization of protoplanets in protoplanetary disks around young stars is emerging as a transformative field that will redefine our understanding of how plan…

astro-ph.EP2025★ 4 cited

Astrometric view of companions in the inner dust cavities of protoplanetary disks

Miguel Vioque, Richard A. Booth, Enrico Ragusa +16

Protoplanetary disks with inner dust cavities (often referred to as "transition disks") are potential signposts of planet formation. We use Gaia astrometry to search for planetary…

astro-ph.SR2025★ 1 cited

Disk fraction among free-floating planetary-mass objects in Upper Scorpius

Tommy Rodrigues, Hervé Bouy, Sean N. Raymond +9

Free-floating planetary-mass objects (FFPs) have been detected through direct imaging in several young, nearby star-forming regions. The properties of circumstellar disks around th…

astro-ph.SR2025★ 2 cited

Multiplicity of young isolated planetary mass objects in Taurus and Upper Scorpius

H. Bouy, G. Duchêne, G. Strampelli +12

Free-floating planetary mass objects--worlds that roam interstellar space untethered to a parent star--challenge conventional notions of planetary formation and migration, but also…

astro-ph.SR2025

Hints of Disk Substructure in the First Brown Dwarf with a Dynamical Mass Constraint

Alejandro Santamaría Miranda, Pietro Curone, Laura Pérez +14

We present high-resolution ALMA observations at 0.89 mm of the Class II brown dwarf 2MASS J04442713+2512164 (2M0444), achieving a spatial resolution of 0046 (…

astro-ph.SR2025

Euclid Quick Data Release (Q1) Ultracool dwarfs in the Euclid Deep Field North

A. Mohandasan, R. L. Smart, C. Reylé +176

Ultracool dwarfs (UCDs) encompass the lowest mass stars and brown dwarfs, defining the stellar substellar boundary. They have significant potential for advancing the understanding…