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Unveiling the gas-and-dust disk structure in HD 163296 using ALMA observations
Aims. The aim of this work is to study the structure of the protoplan etary disk surrounding the Herbig Ae star HD 163296. Methods. We have used high-resolution and high-sensitivity ALMA observations
Consistent dust and gas models for protoplanetary disks I. Disk shape, dust settling, opacities, and PAHs
We propose a set of standard assumptions for the modelling of Class II and III protoplanetary disks, which includes detailed continuum radiative transfer, thermo-chemical modelling of gas and ice,
Gas modelling in the disc of HD 163296
We present detailed model fits to observations of the disc aro und the Herbig Ae star HD 163296. This well-studied object has an age of∼ 4 Myr, with evidence of a circumstellar disc extending out to∼
Discovery of a planetary-mass companion within the gap of the transition disk around PDS 70
Context. Young circumstellar disks are the birthplaces of planets. Their study is of prime interest to understand the physical and chemical conditions under which planet formation takes place. Only
An Icy Kuiper-Belt Around the Young Solar-Type Star HD 181327
Context. HD 181327 is a young main sequence F5/F6 V star belonging to the beta Pictoris moving group (age similar to 12 Myr). It harbors an optically thin belt of circumstellar material at radius
Detection of CH+ emission from the disc around HD 100546
Despite its importance in the thermal balance of the gas and in the determination of primeval planetary atmospheres, the chemistry in protoplanetary discs remains poorly constrained with only a
The VLTI/PIONIER near-infrared interferometric survey of southern T Tauri stars - I. First results
Context. The properties of the inner disks of bright Herbig AeBe stars have been studied with near-infrared (NIR) interferometry and high resolution spectroscopy. The continuum (dust) and a few
On the structure of the transition disk around TW Hydrae
Context. For over a decade, the structure of the inner cavity in the transition disk of TW Hydrae has been a subject of debate. Modeling the disk with data obtained at di erent wavelengths has led to
Direct detection of scattered light gaps in the transitional disk around HD 97048 with VLT/SPHERE
Aims. We studied the well-known circumstellar disk around the Herbig Ae/Be star HD97048 with high angular resolution to reveal undetected structures in the disk which may be indicative of disk
Multiwavelength optical properties of compact dust aggregates in protoplanetary disks
In protoplanetary disks micron-size dust grains coagulate to form larger structures with complex shapes and compositions. The coagulation process changes the absorption and scattering properties of