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Steepening of the 820 micron continuum surface-brightness profile signals dust evolution in TW Hya's disk
Michiel R. Hogerheijde, David Bekkers, Paola Pinilla +5
Grain growth in planet-forming disks is the first step toward the formation of planets. The growth of grains and their inward drift leaves a distinct imprint on the dust surface-de…
Resolved gas cavities in transitional disks inferred from CO isotopologues with ALMA
Nienke van der Marel, Ewine F. van Dishoeck, Simon Bruderer +5
Transitional disks around young stars are promising candidates to look for recently formed, embedded planets. Planet-disk interaction models predict that planets clear a gap in the…
Resolved Millimeter-Wavelength Observations of Debris Disks around Solar-Type Stars
Amy Steele, A. Meredith Hughes, John Carpenter +4
The presence of debris disks around young main sequence stars hints at the existence and structure of planetary systems. Millimeter-wavelength observations probe large grains that…
Dust Evolution Can Produce Scattered Light Gaps in Protoplanetary Disks
Tilman Birnstiel, Sean M. Andrews, Paola Pinilla +1
Recent imaging of protoplanetary disks with high resolution and contrast have revealed a striking variety of substructure. Of particular interest are cases where near-infrared scat…
Testing particle trapping in transition disks with ALMA
P. Pinilla, N. van der Marel, L. M. Pérez +6
We present new Atacama Large Millimeter/submillimeter Array (ALMA) continuum observations at 336GHz of two transition disks, SR21 and HD135344B. In combination with previous ALMA o…
Weak Turbulence in the HD 163296 Protoplanetary Disk Revealed by ALMA CO Observations
Kevin M. Flaherty, A. Meredith Hughes, Katherine A. Rosenfeld +5
Turbulence can transport angular momentum in protoplanetary disks and influence the growth and evolution of planets. With spatially and spectrally resolved molecular emission line…