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Physical and Chemical Structure of the Disk and Envelope of the Class 0/I Protostar L1527
Lizxandra Flores-Rivera, Susan Terebey, Karen Willacy +3
Sub-millimeter spectral line and continuum emission from the protoplanetary disks and envelopes of protostars are powerful probes of their structure, chemistry, and dynamics. Here…
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…
Hydrodynamical simulations of protoplanetary disks including irradiation of stellar photons. I. Resolution study for Vertical Shear Instability (VSI)
Lizxandra Flores-Rivera, Mario Flock, Ryohei Nakatani
In recent years hydrodynamical (HD) models have become important to describe the gas kinematics in protoplanetary disks, especially in combination with models of photoevaporation a…
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…
ALMA and VLA Observations of EX Lupi in its Quiescent State
Jacob Aaron White, Á. Kóspál, A. G. Hughes +15
Extreme outbursts in young stars may be a common stage of pre-main-sequence stellar evolution. These outbursts, caused by enhanced accretion and accompanied by increased luminosity…
High Resolution Parameter Study of the Vertical Shear Instability
Natascha Manger, Hubert Klahr, Wilhelm Kley +1
Theoretical models of protoplanetary disks have shown the Vertical Shear Instability (VSI) to be a prime candidate to explain turbulence in the dead zone of the disk. However, simu…