[HTML][HTML] Empirical constraints on turbulence in proto-planetary discs

GP Rosotti - New Astronomy Reviews, 2023 - Elsevier
Proto-planetary discs, the birth environment of planets, are an example of a structure
commonly found in astrophysics, accretion discs. Identifying the mechanism responsible for …

Spiral arms and a massive dust disk with non-Keplerian kinematics: possible evidence for gravitational instability in the disk of Elias 2–27

T Paneque-Carreño, LM Pérez, M Benisty… - The Astrophysical …, 2021 - iopscience.iop.org
To determine the origin of the spiral structure observed in the dust continuum emission of
Elias 2–27 we analyze multiwavelength continuum ALMA data with a resolution of∼ 0 farcs …

Are the spiral arms in the MWC 758 protoplanetary disc driven by a companion inside the cavity?

J Calcino, V Christiaens, DJ Price… - Monthly Notices of …, 2020 - academic.oup.com
Spiral arms in protoplanetary discs are thought to be linked to the presence of companions.
We test the hypothesis that the double spiral arm morphology observed in the transition disc …

Dust traps in the protoplanetary disc MWC 758: two vortices produced by two giant planets?

C Baruteau, M Barraza, S Pérez… - Monthly Notices of …, 2019 - academic.oup.com
Resolved ALMA and VLA observations indicate the existence of two dust traps in the
protoplanetary disc MWC 758. By means of two-dimensional gas+ dust hydrodynamical …

A dusty filament and turbulent CO spirals in HD 135344B-SAO 206462

S Casassus, V Christiaens, M Cárcamo… - Monthly Notices of …, 2021 - academic.oup.com
Planet–disc interactions build up local pressure maxima that may halt the radial drift of
protoplanetary dust, and pile it up in rings and crescents. ALMA observations of the HD …

Radio-continuum decrements associated to shadowing from the central warp in transition disc DoAr 44

C Arce-Tord, S Casassus, WRF Dent… - Monthly Notices of …, 2023 - academic.oup.com
Warps have often been used to explain disc properties, but well-characterized examples are
important due to their role in disc evolution. Scattered light images of discs with central gaps …

Pebble trapping in vortices: three-dimensional simulations

N Raettig, W Lyra, H Klahr - The Astrophysical Journal, 2021 - iopscience.iop.org
Disk vortices have been heralded as promising routes for planet formation due to their ability
to trap significant amounts of pebbles. While the gas motions and trapping properties of two …

Variable structure in the PDS 70 disc and uncertainties in radio-interferometric image restoration

S Casassus, M Cárcamo - Monthly Notices of the Royal …, 2022 - academic.oup.com
The compact mm-wavelength signal in the central cavity of the PDS 70 disc, revealed by
deep ALMA observations, is aligned with unresolved H α emission, and is thought to stem …

Azimuthal temperature variations in ISO-Oph 2 from multifrequency ALMA observations

S Casassus, L Cieza, M Cárcamo… - Monthly Notices of …, 2023 - academic.oup.com
Environmental effects, such as stellar fly-bys and external irradiation, are thought to affect
the evolution of protoplanetary discs in clustered star formation. Previous Atacama Large …

The Appearance of Vortices in Protoplanetary Disks in Near-infrared Scattered Light

M Marr, R Dong - The Astrophysical Journal, 2022 - iopscience.iop.org
Azimuthally asymmetric structures have been discovered in millimeter continuum emission
from many protoplanetary disks. One hypothesis is that they are vortices produced by the …