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VLT/MUSE detection of accretion-ejection associated with the close stellar companion in the HT Lup system
Sebastián Jorquera, Mickaël Bonnefoy, Laura M. Pérez +14
The accretion/ejection processes in T-Tauri stars are fundamental to their physical evolution, while also impacting the properties and evolution of the circumstellar material at a…
Protostellar and Protoplanetary Disk Masses in the Serpens Region
Alexa R. Anderson, Jonathan P. Williams, Nienke van der Marel +4
We present the results from an Atacama Large Millimeter/Submillimeter Array (ALMA) 1.3 mm continuum and CO () line survey spread over 10 square degrees in the Serpens…
Large-scale CO spiral arms and complex kinematics associated with the T Tauri star RU Lup
Jane Huang, Sean M. Andrews, Karin I. Öberg +9
While protoplanetary disks often appear to be compact and well-organized in millimeter continuum emission, CO spectral line observations are increasingly revealing complex behavior…
Realizing the Unique Potential of ALMA to Probe the Gas Reservoir of Planet Formation
L. Ilsedore Cleeves, Ryan Loomis, Richard Teague +21
Understanding the origin of the astonishing diversity of exoplanets is a key question for the coming decades. ALMA has revolutionized our view of the dust emission from protoplanet…
Resolved young binary systems and their disks
Rachel L. Akeson, Eric L. N. Jensen, John Carpenter +4
We have conducted a survey of young single and multiple systems in the Taurus-Auriga star-forming region with the Atacama Large Millimeter Array (ALMA), substantially improving bot…
The Disk Substructures at High Angular Resolution Project (DSHARP): III. Spiral Structures in the Millimeter Continuum of the Elias 27, IM Lup, and WaOph 6 Disks
Jane Huang, Sean M. Andrews, Laura M. Pérez +13
We present an analysis of ALMA 1.25 millimeter continuum observations of spiral structures in three protoplanetary disks from the Disk Substructures at High Angular Resolution Proj…
The Disk Substructures at High Angular Resolution Project (DSHARP): IV. Characterizing substructures and interactions in disks around multiple star systems
Nicolás Kurtovic, Laura Pérez, Myriam Benisty +11
To characterize the substructures induced in protoplanetary disks by the interaction between stars in multiple systems, we study the mm continuum and the CO…
The Disk Substructures at High Angular Resolution Project (DSHARP): X. Multiple rings, a misaligned inner disk, and a bright arc in the disk around the T Tauri star HD 143006
Laura M. Pérez, Myriam Benisty, Sean M. Andrews +14
We present a detailed analysis of new ALMA observations of the disk around the T-Tauri star HD 143006, which at 46 mas (7.6 au) resolution reveal new substructures in the 1.25 mm c…
The Disk Substructures at High Angular Resolution Project (DSHARP) - IX. A high definition study of the HD 163296 planet forming disk
Andrea Isella, Jane Huang, Sean M. Andrews +11
ALMA observations of protoplanetary disks acquired by the Disk Substructure at High Angular Resolution Project (DSHARP) resolve the dust and gas emission on angular scales as small…
Disk Substructures at High Angular Resolution Program (DSHARP): VIII. The Rich Ringed Substructures in the AS 209 Disk
Viviana V. Guzmán, Jane Huang, Sean M. Andrews +12
We present a detailed analysis of the high-angular resolution (0.''037, corresponding to 5 au) observations of the 1.25 mm continuum and CO emission from the disk arou…
The Disk Substructures at High Angular Resolution Project (DSHARP): I. Motivation, Sample, Calibration, and Overview
Sean M. Andrews, Jane Huang, Laura M. Pérez +14
We introduce the Disk Substructures at High Angular Resolution Project (DSHARP), one of the initial Large Programs conducted with the Atacama Large Millimeter/submillimeter Array (…
Protoplanetary Disk Properties in the Orion Nebula Cluster: Initial Results from Deep, High-Resolution ALMA Observations
J. A. Eisner, H. G. Arce, N. P. Ballering +13
We present ALMA 850 m continuum observations of the Orion Nebula Cluster that provide the highest angular resolution ( AU) and deepest sensitivity…
Cm-wavelength observations of MWC758: resolved dust trapping in a vortex
Simon Casassus, Sebastian Marino, Wladimir Lyra +13
The large crescents imaged by ALMA in transition disks suggest that azimuthal dust trapping concentrates the larger grains, but centimetre-wavelengths continuum observations are re…
CO and dust properties in the TW Hya disk from high-resolution ALMA observations
Jane Huang, Sean M. Andrews, L. Ilsedore Cleeves +10
We analyze high angular resolution ALMA observations of the TW Hya disk to place constraints on the CO and dust properties. We present new, sensitive observations of the CO…
Measurement of Circumstellar Disk Sizes in the Upper Scorpius OB Association with ALMA
Scott A. Barenfeld, John M. Carpenter, Anneila I. Sargent +2
We present detailed modeling of the spatial distributions of gas and dust in 57 circumstellar disks in the Upper Scorpius OB Association observed with ALMA at sub-millimeter wavele…
Molecular outflow launched beyond the disk edge
Felipe O. Alves, Josep M. Girart, Paola Caselli +5
One of the long-standing problems of star formation is the excess of angular momentum of the parent molecular cloud. In the classical picture, a fraction of angular momentum of the…
ALMA Measurements of Circumstellar Material in the GQ Lup System
Meredith A. MacGregor, David J. Wilner, Ian Czekala +7
We present ALMA observations of the GQ Lup system, a young Sun-like star with a substellar mass companion in a wide-separation orbit. These observations of 870 m continuum and C…
Testing dust trapping in the circumbinary disk around GG Tau A
P. Cazzoletti, L. Ricci, T. Birnstiel +1
The protoplanetary disk around the GGTau A binary system is so far one of the most studied young circumbinary disk. Observations of the dust continuum emission at sub-mm/mm wavelen…
Brown dwarf disks with ALMA: evidence for truncated dust disks in Ophiuchus
L. Testi, A. Natta, A. Scholz +3
The study of the properties of disks around young brown dwarfs can provide important clues on the formation of these very low-mass objects and on the possibility of forming planeta…
Constraints on Planetesimal Collision Models in Debris Disks
Meredith A. MacGregor, David J. Wilner, Claire Chandler +6
Observations of debris disks offer a window into the physical and dynamical properties of planetesimals in extrasolar systems through the size distribution of dust grains. In parti…
Dust properties across the CO snowline in the HD 163296 disk from ALMA and VLA observations
G. Guidi, M. Tazzari, L. Testi +22
To characterize the mechanisms of planet formation it is crucial to investigate the properties and evolution of protoplanetary disks around young stars, where the initial condition…
Next Generation Very Large Array Memo No. 6, Science Working Group 1: The Cradle of Life
Andrea Isella, Charles L. H. Hull, Arielle Moullet +33
This paper discusses compelling science cases for a future long-baseline interferometer operating at millimeter and centimeter wavelengths, like the proposed Next Generation Vary L…
Grain Growth in the Circumstellar Disks of the Young Stars CY Tau and DoAr 25
Laura M. Pérez, Claire J. Chandler, Andrea Isella +19
We present new results from the Disks@EVLA program for two young stars: CY Tau and DoAr 25. We trace continuum emission arising from their circusmtellar disks from spatially resolv…
ALMA observations of a misaligned binary protoplanetary disk system in Orion
Jonathan P. Williams, Rita K. Mann, James Di Francesco +6
We present ALMA observations of a wide binary system in Orion, with projected separation 440 AU, in which we detect submillimeter emission from the protoplanetary disks around each…