Results 41 to 50 of about 377,435 (259)
Water in Protoplanetary Disks [PDF]
Proceedings of the International Astronomical Union, 2012 AbstractInfrared water line emission from protoplanetary disks, recently observed by the Spitzer and Herschel space telescopes, is thought to trace the surface layer of the inner to outer regions of the disks. We have modelled the water abundance profile and line emission, especially focusing on the effects of dust size growth and turbulent mixing ...
Nomura, H. +3 more
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High-resolution Millimeter Imaging of the CI Tau Protoplanetary Disk: A Massive Ensemble of Protoplanets from 0.1 to 100 au [PDF]
Astrophysical Journal, 2018 We present high-resolution millimeter continuum imaging of the disk surrounding the young star CI Tau, a system hosting the first hot Jupiter candidate in a protoplanetary disk system.
C. Clarke +10 more
semanticscholar +1 more source
Interferometry and the study of protoplanetary disks [PDF]
EPJ Web of Conferences, 2015 Interferometry offers access to scales that are unresolvable using single dish telescopes, which is especially important when investigating objects with small angular sizes, such as protoplanetary disks. This Chapter introduces the concept of interferometry, and describes the basic aspects of interferometric observations when considering long (i.e. sub-
Ilee, John David, Greaves, Jane Sophia
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The Astrophysical Journal, 2023 Thanks to “dust-to-planet” simulations (DTPSs), which treat the collisional evolution directly from dust to giant-planet cores in a protoplanetary disk, we showed that giant-planet cores are formed in ≲10 au in several 10 ^5 yr, because porous pebbles ...
Hiroshi Kobayashi, Hidekazu Tanaka
doaj +1 more source
ALMA Observations of Polarization from Dust Scattering in the IM Lup Protoplanetary Disk [PDF]
Astrophysical Journal, 2018 We present 870 μm ALMA observations of polarized dust emission toward the Class II protoplanetary disk IM Lup. We find that the orientation of the polarized emission is along the minor axis of the disk, and that the value of the polarization fraction ...
Charles L. H. Hull +11 more
semanticscholar +1 more source
Odessa Astronomical Publications, 2017 The mechanism of protoplanetary system formation as a result of a merge of binary star consisting of the low mass (0.5-1M⊙) pre-MS stars is considered. During the merging the more massive component is destroyed. The substance of the destroyed component
F. V. Sirotkin, V. G. Karetnikov
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Kinematic Evidence of an Embedded Protoplanet in HD 142666 Identified by Machine Learning
The Astrophysical Journal, 2023 Observations of protoplanetary disks have shown that forming exoplanets leave characteristic imprints on the gas and dust of the disk. In the gas, these forming exoplanets cause deviations from Keplerian motion, which can be detected through molecular ...
J. P. Terry +3 more
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CHEMICAL PROCESSES IN PROTOPLANETARY DISKS [PDF]
The Astrophysical Journal, 2010 24 pages, 13 figures, accepted for publication in ...
Walsh, C, Millar, TJ, Nomura, H
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First Detection of the Simplest Organic Acid in a Protoplanetary Disk [PDF]
Astrophysical Journal, 2018 The formation of asteroids, comets, and planets occurs in the interior of protoplanetary disks during the early phase of star formation. Consequently, the chemical composition of the disk might shape the properties of the emerging planetary system.
C. Favre +16 more
semanticscholar +1 more source
On the Gravitational Instabilities of Protoplanetary Disks [PDF]
Publications of the Astronomical Society of the Pacific, 2019 The gravitational instabilities are important to the evolution of the disks and the planet formation in the disks. We calculate the evolution of the disks which form from the collapse of the molecular cloud cores. By changing the properties of the cloud cores and the hydrodynamical viscosity parameters, we explore their effects on the properties of the
Ning Sui, Ping He, Min Li
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