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Dust characterization of the HD 163296 disk with high-resolution multi-wavelength ALMA observations
Kiyoaki Doi, Myriam Benisty, Akimasa Kataoka +10
Context. Planets form through the growth and accumulation of dust grains in protoplanetary disks. Characterizing dust properties such as size, surface density, and temperature is k…
An archival summary: 15 years of ALMA observations on disks and planet formation
Nicolas T. Kurtovic, Lizxandra Flores-Rivera, Laura M. Perez +15
The Atacama Large (sub-)millimeter Array (ALMA) has been in scientific operations for almost 15 years. We celebrate this achievement by providing a summary of the ``Disks and plane…
A fast tree algorithm for multi-component coagulation equation
Taichi K. Watanabe, Akimasa Kataoka
Dust properties, such as mass and porosity, impact planet formation directly. Understanding the time evolution of dust distribution across multiple properties requires numerical co…
Millimeter dust continuum and polarization in protoplanetary disks with scattering: A slab model
Naoya Kitade, Akimasa Kataoka
Millimeter continuum emission and self-scattering polarization from protoplanetary disks are widely used to constrain dust properties. Interpreting these observations requires prac…
Multi-wavelength ALMA Imaging of HD 34282: Dust-trapping Signatures of a Vortex Candidate
Xiaoyi Ma, Fangyuan Yu, Ruobing Dong +8
Azimuthal arcs in millimeter continuum emission from protoplanetary disks are often attributed to dust-trapping vortices, but definitive observational confirmation of vortices rema…
ALMA 873 m Polarization Observations of the PDS~70 Disk
Hauyu Baobab Liu, Kiyoaki Doi, Simon Casassus +4
At a 112.4 pc distance, the PDS70 protoplanetary disk is a rare case that has been confirmed to host two accreting planets. This makes it the most important laboratory for studying…
Grain growth in protoplanetary disks in the Upper Scorpius revealed by millimeter-wave spectral indices
Tau Bito, Akimasa Kataoka, Takahiro Ueda +3
The measurement of dust size from millimeter-wavelength spectra provides direct constraints on grain growth in protoplanetary disks. The spectral indices between 0.88 mm and 2.9 mm…
Modeling the Contact Surfaces Formed by Pebble Collisions: Application to Formation of Comet 67P/Churyumov--Gerasimenko
Misako Tatsuuma, Satoshi Okuzumi, Akimasa Kataoka +1
Modeling the contact surfaces formed by pebble collisions is crucial to understanding the formation process of comets, which are thought to be composed of pebbles. In this paper, w…
Multi-Wavelength Dust Characterization of the HL Tau Disk and Implications for Planet Formation
Takahiro Ueda, Sean M. Andrews, Carlos Carrasco-González +4
We present a comprehensive analysis of the HL Tau dust disk by modeling its intensity profiles across six wavelengths (0.45 to 7.9 mm) with a resolution of 0.05 arcsec ( au)…
Observationally derived magnetic field strength and 3D components in the HD 142527 disk
Satoshi Ohashi, Takayuki Muto, Yusuke Tsukamoto +5
In protoplanetary disks around young stars, magnetic fields play an important role for disk evolution and planet formation. Polarized thermal emission from magnetically aligned gra…
Dust Scattering Albedo at Millimeter-Wavelengths in the TW Hya Disk
Tomohiro C. Yoshida, Hideko Nomura, Takashi Tsukagoshi +3
Planetary bodies are formed by coagulation of solid dust grains in protoplanetary disks. Therefore, it is crucial to constrain the physical and chemical properties of the dust grai…
The Bulk Densities of Small Solar System Bodies as a Probe of Planetesimal Formation
Misako Tatsuuma, Akimasa Kataoka, Hidekazu Tanaka +1
Constraining the formation processes of small solar system bodies is crucial for gaining insights into planetesimal formation. Their bulk densities, determined by their compressive…
Forming localized dust concentrations in a dust ring: DM Tau case study
Hauyu Baobab Liu, Takayuki Muto, Mihoko Konishi +8
The previous, high angular resolution 225 GHz (1.3 mm) continuum observations on the transitional disk DM Tau have resolved an outer ring at 20-120 au radii that is weakly az…
Panchromatic (Sub)millimeter Polarization Observations of HL Tau Unveil Aligned Scattering Grains
Zhe-Yu Daniel Lin, Zhi-Yun Li, Ian W. Stephens +14
Polarization is a unique tool to study the properties of dust grains of protoplanetary disks and detail the initial conditions of planet formation. Polarization around HL Tau was p…
Constraints on the dust size distributions in the HD 163296 disk from the difference of the apparent dust ring widths between two ALMA Bands
Kiyoaki Doi, Akimasa Kataoka
The dust size in protoplanetary disks is a crucial parameter for understanding planet formation, while the observational constraints on dust size distribution have large uncertaint…
Dust enrichment and grain growth in a smooth disk around the DG Tau protostar revealed by ALMA triple bands frequency observations
Satoshi Ohashi, Munetake Momose, Akimasa Kataoka +10
Characterizing the physical properties of dust grains in a protoplanetary disk is critical to comprehending the planet formation process. Our study presents ALMA high-resolution ob…
Formulating Compressive Strength of Dust Aggregates from Low to High Volume Filling Factors with Numerical Simulations
Misako Tatsuuma, Akimasa Kataoka, Satoshi Okuzumi +1
Compressive strength is a key to understanding the internal structure of dust aggregates in protoplanetary disks and their resultant bodies, such as comets and asteroids in the Sol…
Porous Dust Particles in Protoplanetary Disks: Application to the HL Tau Disk
Shangjia Zhang, Zhaohuan Zhu, Takahiro Ueda +4
Dust particle sizes constrained from dust continuum and polarization observations by radio interferometry are inconsistent by at least an order of magnitude. Motivated by porous du…
Probing the Temperature Structure of the Inner Region of a Protoplanetary Disk
Takahiro Ueda, Satoshi Okuzumi, Akimasa Kataoka +1
Midplane heating induced by disk accretion plays a key role in determining the disk temperature particularly at the inner disk midplane where planets form. However, the efficiency…
Thermal Tomography of the Inner Regions of Protoplanetary Disks with the ngVLA and ALMA
Satoshi Okuzumi, Munetake Momose, Akimasa Kataoka
Understanding the temperature structure of protoplanetary disks is crucial for answering the fundamental question of when and where in the disks rocky planets like our own form. Ho…
Massive compact dust disk with a gap around CW Tau revealed by ALMA multi-band observations
Takahiro Ueda, Akimasa Kataoka, Takashi Tsukagoshi
Compact protoplanetary disks with a radius of 50 au are common around young low-mass stars. We report high resolution ALMA dust continuum observations toward a compact d…
Setting the Stage for Planet Formation: Measurements and Implications of the Fundamental Disk Properties
A. Miotello, I. Kamp, T. Birnstiel +2
The field of planet formation is in an exciting era, where recent observations of disks around low- to intermediate-mass stars made with state of the art interferometers and high-c…
Impact of Differential Dust Settling on the SED and Polarization: Application to the Inner Region of the HL Tau Disk
Takahiro Ueda, Akimasa Kataoka, Shangjia Zhang +3
The polarimetric observations on the protoplanetary disk around HL Tau have shown the scattering-induced polarization at ALMA Band 7, which indicates that the maximum dust size is…
Estimate on dust scale height from ALMA dust continuum image of the HD 163296 protoplanetary disk
Kiyoaki Doi, Akimasa Kataoka
We aim at estimating the dust scale height of protoplanetary disks from millimeter continuum observations. First, we present a general expression of intensity of a ring in a protop…