activity
20092025
most citedFlybys in protoplanetary discs: I. Gas and dust dynamics

142 citations · 1.2k across the 33 of their papers we have counts for

collaborators

32 papers

astro-ph.EP2025

Ionized envelopes around protoplanets and the role of radiative feedback in gas accretion

Matías Montesinos, Juan Garrido-Deutelmoser, Jorge Cuadra +5

Planetary growth within protoplanetary disks involves accreting material from their surroundings, yet the underlying mechanisms and physical conditions of the accreting gas remain…

astro-ph.EP2024★ 3 cited

The missing rings around Solar System moons

Mario Sucerquia, Jaime A. Alvarado-Montes, Jorge I. Zuluaga +3

Rings are complex structures surrounding giant planets and some minor bodies in the Solar System. While some formation mechanisms could also potentially foster their existence arou…

astro-ph.SR2023★ 8 cited

Resolving the Binary Components of the Outbursting Protostar HBC 494 with ALMA

Pedro Henrique Nogueira, Alice Zurlo, Sebastián Pérez +15

Episodic accretion is a low-mass pre-main sequence phenomenon characterized by sudden outbursts of enhanced accretion. These objects are classified into two: protostars with elevat…

astro-ph.EP2023★ 13 cited

Morphology of the gas-rich debris disk around HD 121617 with SPHERE observations in polarized light

Clément Perrot, Johan Olofsson, Quentin Kral +7

Debris disks are the signposts of collisionally eroding planetesimal circumstellar belts, whose study can put important constraints on the structure of extrasolar planetary systems…

astro-ph.EP2022★ 37 cited

The vertical structure of debris disks and the impact of gas

Johan Olofsson, Philippe Thébault, Quentin Kral +10

The vertical structure of debris disks provides clues about their dynamical evolution and the collision rate of the unseen planetesimals. Thanks to the ever-increasing angular reso…

astro-ph.EP2021★ 11 cited

The protoplanetary disc around HD 169142: circumstellar or circumbinary?

P. P. Poblete, N. Cuello, S. Pérez +12

Stellar binaries represent a substantial fraction of stellar systems, especially among young stellar objects. Accordingly, binaries play an important role in setting the architectu…

astro-ph.EP2021★ 14 cited

Cronomoons: origin, dynamics, and light-curve features of ringed exomoons

Mario Sucerquia, Jaime A. Alvarado-Montes, Amelia Bayo +8

In recent years, technical and theoretical work to detect moons and rings around exoplanets has been attempted. The small mass/size ratios between moons and planets means this is v…

astro-ph.SR2021★ 20 cited

Characterizing the morphology of the debris disk around the low-mass star GSC~07396-00759

C. Adam, J. Olofsson, R. G. van Holstein +17

Context. Debris disks have commonly been studied around intermediate-mass stars. Their intense radiation fields are believed to efficiently remove the small dust grains that are co…

astro-ph.EP2021★ 11 cited

Radiative scale-height and shadows in protoplanetary disks

Matías Montesinos, Nicolás Cuello, Johan Olofsson +4

Planets form in young circumstellar disks called protoplanetary disks. However, it is still difficult to catch planet formation in-situ. Nevertheless, from recent ALMA/SPHERE data,…

astro-ph.EP2020★ 30 cited

Dust trapping around Lagrangian points in protoplanetary disks

Matias Montesinos, Juan Garrido-Deutelmoser, Johan Olofsson +5

Trojans are defined as objects that share the orbit of a planet at the stable Lagrangian points and . In the Solar System, these bodies show a broad size distribution ra…

astro-ph.EP2020★ 2 cited

On moving shadows and pressure bumps in HD 169142

Gesa H. -M. Bertrang, Mario Flock, Miriam Keppler +5

The search for young planets had its first breakthrough with the detection of the accreting planet PDS70b. In this study, we aim to broaden our understanding towards the formation…

astro-ph.EP2020★ 13 cited

Scattered light may reveal the existence of ringed exoplanets

Mario Sucerquia, Jaime A. Alvarado-Montes, Jorge I. Zuluaga +2

Rings around giant exoplanets (hereafter 'exorings') are still a missing planetary phenomenon among the vast number of discovered planets. Despite the fact there exist a large numb…

astro-ph.EP2019★ 63 cited

The widest H survey of accreting protoplanets around nearby transition disks

A. Zurlo, G. Cugno, M. Montesinos +6

The mechanisms of planet formation are still under debate. We know little about how planets form, even if more than 4000 exoplanets have been detected to date. Recent investigation…

astro-ph.EP2019★ 9 cited

NaCo polarimetric observations of Sz 91 transitional disk: a remarkable case of dust filtering

Karina Maucó, Johan Olofsson, Hector Canovas +10

We present polarized light observations of the transitional disk around Sz 91 acquired with VLT/NaCo at (1.7m) and (2.2m) bands. We resolve the disk and detect pola…

astro-ph.EP2019★ 79 cited

Flybys in protoplanetary discs: II. Observational signatures

Nicolás Cuello, Fabien Louvet, Daniel Mentiplay +14

Tidal encounters in star clusters perturb discs around young protostars. In Cuello et al. (2019a, Paper I) we detailed the dynamical signatures of a stellar flyby in both gas and d…

astro-ph.EP2019★ 8 cited

An unusually large gaseous transit in a debris disc

Daniela P. Iglesias, Johan Olofsson, Amelia Bayo +9

We present the detection of an unusually large transient gas absorption in several ionized species in the debris disc star HD 37306 using high-resolution optical spectra. We have b…

astro-ph.SR2019★ 25 cited

Dust production in the debris disk around HR 4796 A

J. Olofsson, J. Milli, P. Thébault +21

Debris disks are the natural by-products of the planet formation process. Scattered or polarized light observations are mostly sensitive to small dust grains that are released from…

astro-ph.EP2019★ 82 cited

Evidence for a circumplanetary disk around protoplanet PDS 70 b

V. Christiaens, F. Cantalloube, S. Casassus +5

We present the first observational evidence for a circumplanetary disk around the protoplanet PDS~70~b, based on a new spectrum in the band acquired with VLT/SINFONI. We tested…

astro-ph.EP2019★ 47 cited

Thermal torque effects on the migration of growing low-mass planets

O. M. Guilera, N. Cuello, M. Montesinos +4

As planets grow the exchange of angular momentum with the gaseous component of the protoplanetary disc produces a net torque resulting in a variation of the semi-major axis of the…

astro-ph.EP2018★ 142 cited

Flybys in protoplanetary discs: I. Gas and dust dynamics

Nicolás Cuello, Giovanni Dipierro, Daniel Mentiplay +7

We present 3D smoothed particle hydrodynamics simulations of protoplanetary discs undergoing a flyby by a stellar perturber on a parabolic orbit lying in a plane inclined relative…

astro-ph.EP2018★ 25 cited

Dusty spirals triggered by shadows in transition discs

Nicolás Cuello, Matías Montesinos, Sebastian M. Stammler +2

Context. Despite the recent discovery of spiral-shaped features in protoplanetary discs in the near-infrared and millimetric wavelengths, there is still an active discussion to und…

astro-ph.EP2018

F.S.I.: Flyby Scene Investigation

Nicolás Cuello, Giovanni Dipierro, Daniel Mentiplay +7

We present a methodology to interpret observations of protoplanetary discs where a flyby, also called a tidal encounter, is suspected. In case of a flyby, protoplanetary discs can…

astro-ph.EP2017★ 37 cited

Planetary-like spirals caused by moving shadows in transition discs

Matías Montesinos, Nicolás Cuello

Shadows and spirals seem to be common features of transition discs. Among the spiral-triggering mechanisms proposed, only one establishes a causal link between shadows and spirals…

astro-ph.EP2017★ 57 cited

HD 169142 in the eyes of ZIMPOL/SPHERE

G. H. -M. Bertrang, H. Avenhaus, S. Casassus +5

We present new data of the protoplanetary disc surrounding the Herbig Ae/Be star HD 169142 obtained in the very broad-band (VBB) with the Zurich imaging polarimeter (ZIMPOL), a sub…