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On the Modeling of a Compressible MHD Turbulence of an Accretion Protoplanetary Disk
AbstractIn the framework of the basic problem of cosmogony, which is associated with the reconstruction of the protoplanetary solar disk at the very...
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Protoplanetary disk formation in rotating, magnetized and turbulent molecular cloud
The study of protoplanetary disk formation and its connection with Solar system’s origin is considered to be one of the longest-standing problems in...
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A Close View on the Protoplanetary Disk in the Bok Globule CB 26
We present new sub-arcsecond-resolution near-infrared polarimetric imaging and millimetre interferometry data on the circumstellar disk system in the... -
Effect of Dust Evaporation and Thermal Instability on Temperature Distribution in a Protoplanetary Disk
AbstractThe thermal instability of accretion disks is widely used to explain the activity of cataclysmic variables, but its manifestation in gas and...
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Protoplanetary Disk Science with the Orbiting Astronomical Satellite Investigating Stellar Systems (OASIS) Observatory
The Orbiting Astronomical Satellite for Investigating Stellar Systems (OASIS) is a NASA Astrophysics MIDEX-class mission concept, with the stated...
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Simulating Protoplanetary Disk Ices
Ices in protoplanetary disks play key roles in planet formation and habitability. To date, ice detection via infrared spectral signatures has been... -
Resolved ALMA observations of water in the inner astronomical units of the HL Tau disk
The water molecule is a key ingredient in the formation of planetary systems, with the water snowline being a favourable location for the growth of...
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Simulation of Thermal Surface Waves in a Protoplanetary Disk in 1+1D Approximation
AbstractHeating by the central star is one of the key factors determining the physical structure of protoplanetary disks. Due to a large radial...
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High-Resolution Infrared Spectroscopy of Protoplanetary Disks
High-resolution spectroscopy at near and mid-infrared wavelengths can provide important and unique information about protoplanetary disks around... -
Simulation of Thermal Surface Waves in a Protoplanetary Disk in a Two-Dimensional Approximation
AbstractTheoretical models predict that the obscuration of stellar radiation by irregularities on the surface of a protoplanetary disk can cause...
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Luminosity Outbursts in Interacting Protoplanetary Systems
AbstractFU Orionis type objects (fuors) are characterized by rapid (tens to hundreds years) episodic outbursts, during which the luminosity increases...
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Modeling of the Processes of Formation of Dust Fractal Clusters in a Protoplanetary Cloud
AbstractProceeding from the concept of the fractal nature of dust clusters, we develop an evolutionary hydrodynamic model of the formation and growth...
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UV spectropolarimetry with Polstar: protoplanetary disks
Polstar is a proposed NASA MIDEX mission that carries a high resolution UV spectropolarimeter capable of measure all four Stokes parameters onboard a...
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From Protoplanetary to Debris Disks
We discuss the physical difference between protoplanetary and debris (Vega-like) disks and consider the course of evolution which leads from the... -
On the Scattered Radiation Spectrum of Protoplanetary Disks
AbstractThe deformation of the photospheric radiation of a young star during scattering in the inner regions of the protoplanetary disk has been...
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Photoelectric Charging of Dust in Protoplanetary Disks
AbstractThe process of gas ionization-recombination and dust particle charging under the effect of X-ray radiation in the conditions of space plasma...
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The Interplay of Gas, Dust and Ice in Protoplanetary Disks
The Atacama Large Millimeter Array (ALMA) is revolutionising our view of planet formation. The high angular resolution campaigns are revealing that... -
Fundamentals of the Mechanics of a Turbulent Gas and Dust Medium for an Accretion Protoplanetary Disk
Abstract —In this paper, in relation to the problem of reconstructing the evolution of a preplanetary gas and dust cloud, an attempt is made to...