High-Resolution Near-Infrared Polarimetry of a Circumstellar Disk around UX Tau A [PDF]
, 2012 We present H-band polarimetric imagery of UX Tau A taken with HiCIAO/AO188 on the Subaru Telescope. UX Tau A has been classified as a pre-transitional disk object, with a gap structure separating its inner and outer disks. Our imagery taken with the 0.15
Ryoko Tanii +67 more
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The circumstellar disk response to the motion of the host star [PDF]
, 2017 Grid-based hydrodynamics simulations of circumstellar disks are often performed in the curvilinear coordinate system, in which the center of the computational domain coincides with the motionless star.
Zs. Regály +3 more
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Origin of compact exoplanetary systems during disk infall [PDF]
Nature CommunicationsExoplanetary systems that contain multiple planets on short-period orbits appear to be prevalent in the current observed exoplanetary population, yet the processes that give rise to such configurations remain poorly understood.
Raluca Rufu, Robin M. Canup
doaj +2 more sources
Grand-design Spiral Arms in a Young Forming Circumstellar Disk [PDF]
, 2017 We study formation and long-term evolution of a circumstellar disk in a collapsing molecular cloud core using a resistive magnetohydrodynamic simulation.
Kengo Tomida +4 more
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A Census of the Circumstellar Disk Populations in the Sco-Cen Complex [PDF]
Astronomical Journal, 2021 I have used mid-infrared (IR) photometry from the Wide-field Infrared Survey Explorer (WISE) to perform a census of circumstellar disks among ∼10,000 candidate members of the Sco-Cen complex that were recently identified with data from the Gaia mission ...
K. Luhman
semanticscholar +1 more source
Meridional Circulation of Dust and Gas in the Circumstellar Disk: Delivery of Solids onto the Circumplanetary Region [PDF]
Astrophysical Journal, 2021 We carried out 3D dust + gas radiative hydrodynamic simulations of forming planets. We investigated a parameter grid of a Neptune-mass, a Saturn-mass, a Jupiter-mass, and a five-Jupiter-mass planet at 5.2, 30, and 50 au distance from their star. We found
J. Szulágyi, F. Binkert, C. Surville
semanticscholar +1 more source
2021 Census of Interstellar, Circumstellar, Extragalactic, Protoplanetary Disk, and Exoplanetary Molecules [PDF]
Astrophysical Journal Supplement Series, 2021 To date, 241 individual molecular species, composed of 19 different elements, have been detected in the interstellar and circumstellar medium by astronomical observations.
B. McGuire
semanticscholar +1 more source
Tracing episodic accretion with NOEMA: FU Orionis-type stars and their millimeter environment [PDF]
EPJ Web of Conferences, 2022 The earliest phases of star formation are characterised by intense mass accretion from the circumstellar disk to the central star. One group of lowmass young stellar objects, FU Orionis-type stars (FUors) exhibit accretion rate peaks accompanied by ...
Fehér O. +6 more
doaj +1 more source
The Effect of Misalignment between the Rotation Axis and Magnetic Field on the Circumstellar Disk [PDF]
Astrophysical Journal, 2020 The formation of circumstellar disks is investigated using three-dimensional resistive magnetohydrodynamic simulations in which the initial prestellar cloud has a misaligned rotation axis with respect to the magnetic field.
S. Hirano +3 more
semanticscholar +1 more source
AC Her: Evidence of the First Polar Circumbinary Planet
The Astrophysical Journal Letters, 2023 We examine the geometry of the post–asymptotic giant branch (AGB) star binary AC Her and its circumbinary disk. We show that the observations describe a binary orbit that is perpendicular to the disk with an angular momentum vector that is within 9° of ...
Rebecca G. Martin +4 more
doaj +1 more source