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Mapping Protoplanetary Disk Vertical Structure with CO Isotopologue Line Emission
Charles J. Law, Richard Teague, Karin I. Öberg +21
High spatial resolution observations of CO isotopologue line emission in protoplanetary disks at mid-inclinations (30-75°) allow us to characterize the gas structure in…
Searching for H-emitting sources in the gaps of five transitional disks. SPHERE/ZIMPOL high-contrast imaging
N. Huélamo, G. Chauvin, I. Mendigutía +13
(Pre-)transitional disks show gaps and cavities that can be related with on-going planet formation. According to theory, young embedded planets can accrete material from the circum…
Disk Evolution Study Through Imaging of Nearby Young Stars (DESTINYS): Scattered light detection of a possible disk wind in RY Tau
P. -G. Valegård, C. Ginski, C. Dominik +14
Disk winds are an important mechanism for accretion and disk evolution around young stars. The accreting intermediate-mass T-Tauri star RY Tau has an active jet and a previously kn…
ALMA Detection of Dust Trapping around Lagrangian Points in the LkCa 15 Disk
Feng Long, Sean M. Andrews, Shangjia Zhang +10
We present deep high-resolution (50 mas, 8 au) ALMA 0.88 and 1.3 mm continuum observations of the LkCa 15 disk. The emission morphology shows an inner cavity and three dust r…
Kinematics and brightness temperatures of transition discs -- A survey of gas substructures as seen with ALMA
Lisa Wölfer, Stefano Facchini, Nienke van der Marel +6
In recent years, high-angular-resolution observations of the dust and gas in circumstellar discs have revealed a variety of morphologies, naturally triggering the question of wheth…
Reference-star differential imaging on SPHERE/IRDIS
Chen Xie, Elodie Choquet, Arthur Vigan +14
Reference-star differential imaging (RDI) is a promising technique in high-contrast imaging that is thought to be more sensitive to exoplanets and disks than angular differential i…