activity
20092026
most citedDiscovery of a planetary-mass companion within the gap of the transition disk around PDS 70

700 citations · 6.8k across the 122 of their papers we have counts for

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25 papers · 1 filter

astro-ph.EP2025★ 3 cited

Starlight-driven flared-staircase geometry in radiation hydrodynamic models of protoplanetary disks

Prakruti Sudarshan, Mario Flock, Alexandros Ziampras +2

Protoplanetary disks observed in millimeter continuum and scattered light show a variety of substructures. Various physical processes in the disk could trigger such features -- one…

astro-ph.EP2025★ 2 cited

Polarization at millimeter wavelengths caused by drifting grains in protoplanetary disks

Moritz Lietzow-Sinjen, Stefan Reissl, Mario Flock +1

During the evolution of protoplanetary disks, dust grains start to grow, form larger particles, settle to the midplane, and rearrange the disk, mainly by the inward radial drift. B…

astro-ph.EP2025

Dynamical Analysis of the HD 169142 Planet-Forming Disk: Twelve Years of High-Contrast Polarimetry

Miles Lucas, Michael Bottom, Ruobing Dong +19

We present a dynamical analysis of the HD 169142 planet-forming disk based on high-contrast polarimetric imaging over a twelve-year observational period, offering insights into its…

astro-ph.EP2025★ 5 cited

Multi dust species inner rim in magnetized protoplanetary disks

Mario Flock, Ondřej Chrenko, Takahiro Ueda +3

The inner regions of protoplanetary disks, within ten astronomical units, are where terrestrial planets are born. By developing a new class of multi-dust radiative magnetized inner…

astro-ph.EP2025★ 1 cited

Hydrodynamical simulations of the vertical shear instability with dynamic dust and cooling rates in protoplanetary disks

Yuya Fukuhara, Mario Flock, Satoshi Okuzumi +1

Turbulence in protoplanetary disks affects dust evolution and planetesimal formation. The vertical shear instability (VSI) is one of the candidate turbulence-driving mechanisms in…

astro-ph.EP2025

ExoALMA XIII. gas masses from N2H+ and C18O: a comparison of protoplanetary gas disk mass measurement techniques

Leon Trapman, Cristiano Longarini, Giovanni P. Rosotti +37

The gas masses of protoplanetary disks are important but elusive quantities. In this work we present new ALMA observations of N2H+ (3-2) for 11 exoALMA disks. N2H+ is a molecule se…