High-contrast imaging with PACO and REXPACO reveals a new candidate companion at ~14 au and a tightly wound H-alpha spiral in the inner disk of HD 142527, suggesting ongoing companion-disk interactions.
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6 Pith papers cite this work. Polarity classification is still indexing.
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astro-ph.EP 6years
2026 6representative citing papers
Scattering between close-in super-Earths and secularly perturbed cold planets can launch some planets into free-floating orbits.
Modeling of ALMA observations reveals diverse vertical heights for millimeter dust in six protoplanetary disks, from very thin in T Cha and PDS 111 to extended in DoAr 25, with models failing to match small dust distributions.
Halos in Elias 2-24, IM Lup, and DM Tau hold 20-30% of total dust mass with cm-sized grains, helping resolve the disk mass-budget problem even though drift and growth timescales are shorter than disk ages.
Numerical simulations of porous fractal and consolidated particles show stronger forward scattering, broader polarization peaks, and lower absorption per unit mass than compact spheres, implying larger dust masses from observed fluxes.
V1094 Sco's ring-gap pairs result from a ~55 Earth-mass planet at ~100 au and secular gravitational instability at 170-230 au in a disk with weak turbulence allowing midplane dust concentrations.
citing papers explorer
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Exploration of the inner region of the system HD 142527
High-contrast imaging with PACO and REXPACO reveals a new candidate companion at ~14 au and a tightly wound H-alpha spiral in the inner disk of HD 142527, suggesting ongoing companion-disk interactions.
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A Robust Launching Mechanism for Freely-Floating Planets from Host Stars with Close-in Planets
Scattering between close-in super-Earths and secularly perturbed cold planets can launch some planets into free-floating orbits.
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Diverse dust vertical height and settling strength conditions in protoplanetary discs
Modeling of ALMA observations reveals diverse vertical heights for millimeter dust in six protoplanetary disks, from very thin in T Cha and PDS 111 to extended in DoAr 25, with models failing to match small dust distributions.
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Dust characterization of halos: The extended emission in protoplanetary disks
Halos in Elias 2-24, IM Lup, and DM Tau hold 20-30% of total dust mass with cm-sized grains, helping resolve the disk mass-budget problem even though drift and growth timescales are shorter than disk ages.
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Modeling (Sub-)millimeter Scattering Properties of Fractal and Consolidated Porous Particles: Applications to Protoplanetary Disks
Numerical simulations of porous fractal and consolidated particles show stronger forward scattering, broader polarization peaks, and lower absorption per unit mass than compact spheres, implying larger dust masses from observed fluxes.
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A Hybrid Origin for the Multiple Ring-Gap Structures in the Large Protoplanetary Disk V1094 Sco: A Low-Mass Planet and Secular Gravitational Instability
V1094 Sco's ring-gap pairs result from a ~55 Earth-mass planet at ~100 au and secular gravitational instability at 170-230 au in a disk with weak turbulence allowing midplane dust concentrations.