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The Ophiuchus DIsc Survey Employing ALMA (ODISEA)-III: the evolution of substructures in massive discs at 3-5 au resolution
Lucas A. Cieza, Camilo González-Ruilova, Antonio S. Hales +15
We present 1.3 mm continuum ALMA long-baseline observations at 3-5 au resolution of 10 of the brightest discs from the Ophiuchus DIsc Survey Employing ALMA (ODISEA) project. We ide…
A smoothed particle hydrodynamics algorithm for multigrain dust with separate sets of particles
Daniel Mentiplay, Daniel J. Price, Christophe Pinte +1
We present a method for simulating the dynamics of a mixture of gas and multiple species of large Stokes number dust grains, typical of evolved protoplanetary discs and debris disc…
Planet migration, resonant locking and accretion streams in PDS70: Comparing models and data
Claudia Toci, Giuseppe Lodato, Valentin Christiaens +4
The disc surrounding PDS 70, with two directly imaged embedded giant planets, is an ideal laboratory to study planet-disc interaction. We present three-dimensional smoothed particl…
A Tale of Two Transition Disks: ALMA long-baseline observations of ISO-Oph 2 reveal two closely packed non-axisymmetric rings and a 2 au cavity
Camilo González-Ruilova, Lucas A. Cieza, Antonio S. Hales +12
ISO-Oph 2 is a wide-separation (240 au) binary system where the primary star harbors a massive (M 40 M) ring-like disk with a dust cavity 50 au in r…
Non-Keplerian spirals, a gas-pressure dust trap and an eccentric gas cavity in the circumbinary disc around HD 142527
Himanshi Garg, Christophe Pinte, Valentin Christiaens +7
We present ALMA observations of the CO, CO, CO J=2-1 transitions and the 1.3\,mm continuum emission for the circumbinary disc around HD 142527, at an angular r…
Spirals, shadows & precession in HD 100453 -- II. The hidden companion
Rebecca Nealon, Nicolás Cuello, Jean-François Gonzalez +5
The protoplanetary disc HD 100453 exhibits a curious combination of spirals, shadows and a relative misalignment between the observed outer disc and inferred inner disc. This disc…