activity
20192026
most citedEarly Planet Formation in Embedded Disks (eDisk). I. Overview of the Program and First Results

159 citations · 709 across the 40 of their papers we have counts for

collaborators

42 papers

astro-ph.IM2026

Multi-wavelength Polarization as a Probe of Planet Formation

Ian Stephens, Sarah Sadavoy, Akimasa Kataoka +11

Polarization reveals details of circumstellar disks that are not readily available from total intensity observations. Via multi-wavelength polarimetric observations of disks, we ca…

astro-ph.EP2026

Early Planet Formation in Embedded Disks (eDisk). XXV. Inclination-Induced Minor-Axis Brightness Asymmetries Reveal Limited Dust Settling in Embedded Protostellar Disks

Sidhant Kumar Suar, Zhe-Yu Daniel Lin, Zhi-Yun Li +9

How and when dust settles in young protostellar disks is a key open question for the dust concentration needed to form planetesimals and, ultimately, planets. However, directly mea…

astro-ph.EP2026

The ALMA View of the Edge-on Gomez's Hamburger System: A Highly-Dynamic, Asymmetric Protoplanetary Disk Reveals the Earliest Phases of Giant Planet Formation

Charles J. Law, Jensen Lawrence, Richard Teague +18

Chemical tracers provide some of the strongest observational signatures of ongoing planet formation and localized dynamical perturbations in protoplanetary disks. In particular, su…

astro-ph.EP2026

Azimuthal Dust Polarization from Aerodynamically Aligned Grains as Evidence for the Streaming Instability in Protoplanetary Disks

Zhe-Yu Daniel Lin, Jeonghoon Lim, Jacob B. Simon +8

(Sub)millimeter dust polarization in protoplanetary disks has revealed the presence of large (~ 100 um) dust grains that are aligned along their long axis following the azimuthal d…

astro-ph.SR2025

Multi-band ALMA Polarization Observations of BHB07-11 Reveal Aligned Dust Grains in Complex Spiral Arm Structures

Austen Fourkas, Leslie W. Looney, Zhe-Yu Daniel Lin +8

Polarization-mode observations from the Atacama Large Millimeter/submillimeter Array (ALMA) are powerful tools for studying the dust grain populations in circumstellar disks. Many…

astro-ph.EP2025

Detailed radial scale height profile of dust grains as probed by dust self-scattering in HL Tau

Haifeng Yang, Ian W. Stephens, Zhe-Yu Daniel Lin +4

The vertical settling of dust grains in a circumstellar disk, characterized by their scale height, is a pivotal process in the formation of planets. This study offers in-depth anal…

astro-ph.GA2025

Magnetic Fields in the Pillars of Creation

Adwitiya Sarkar, Leslie W. Looney, Marc W. Pound +7

Due to dust grain alignment with magnetic fields, dust polarization observations of far-infrared emission from cold molecular clouds are often used to trace magnetic fields, allowi…

astro-ph.SR2025

L1448 IRS3B: Dust Polarization Aligned with Spiral Features, Tracing Gas Flows

Leslie W. Looney, Zhe-Yu Daniel Lin, Zhi-Yun Li +11

Circumstellar disk dust polarization in the (sub)millimeter is, for the most part, not from dust grain alignment with magnetic fields but rather indicative of a combination of dust…

astro-ph.SR2025

Early Grain Growth in the Young Protostellar Disk HH 212 Supported by Dust Self-Scattering Modeling

Ying-Chi Hu, Chin-Fei Lee, Zhe-Yu Daniel Lin +3

Grain growth in disks around young stars plays a crucial role in the formation of planets. Early grain growth has been suggested in the HH 212 protostellar disk by previous polariz…

astro-ph.SR2024★ 12 cited

Early Planet Formation in Embedded Disks (eDisk) XVI: An asymmetric dust disk driving a multi-component molecular outflow in the young Class 0 protostar GSS30 IRS3

Alejandro Santamaria-Miranda, Itziar de Gregorio-Monsalvo, Nagayoshi Ohashi +17

We present the results of the ALMA Large Program Early Planet Formation in Embedded disks observations of the Class 0 protostar GSS30 IRS3. Our observations included 1.3 mm continu…

astro-ph.GA2024

Polarization Substructure in the Spiral-Dominated HH 111 Disk: Evidence for Grain Growth

Chin-Fei Lee, Zhi-Yun Li, Tao-Chung Ching +4

The HH 111 protostellar disk has recently been found to host a pair of spiral arms. Here we report the dust polarization results in the disk as well as the inner envelope around it…

astro-ph.EP2024

Badminton Birdie-Like Aerodynamic Alignment of Drifting Dust Grains by Subsonic Gaseous Flows in Protoplanetary Disks

Zhe-Yu Daniel Lin, Zhi-Yun Li, Haifeng Yang +4

Recent (sub)millimeter polarization observations of protoplanetary disks reveal toroidally aligned, effectively prolate dust grains large enough (at least ~100 m) to efficiently…

astro-ph.SR2024

Protoplanetary Disk Polarization at Multiple Wavelengths: Are Dust Populations Diverse?

Rachel E. Harrison, Zhe-Yu Daniel Lin, Leslie W. Looney +4

Millimeter and sub-millimeter observations of continuum linear dust polarization provide insight into dust grain growth in protoplanetary disks, which are the progenitors of planet…

astro-ph.SR2024

Early Planet Formation in Embedded Disks (eDisk) XIII: Aligned Disks with Non-Settled Dust Around the Newly Resolved Class 0 Protobinary R CrA IRAS 32

Frankie J. Encalada, Leslie W. Looney, Shigehisa Takakuwa +19

Young protostellar binary systems, with expected ages less than 10 years, are little modified since birth, providing key clues to binary formation and evolution. We prese…

astro-ph.EP2024

Turbulent vortex with moderate dust settling probed by scattering-induced polarization in the IRS 48 system

Haifeng Yang, Manuel Fernández-López, Zhi-Yun Li +4

We investigate the crescent-shaped dust trap in the transition disk, Oph IRS 48, using well-resolved (sub)millimeter polarimetric observations at ALMA Band 7 (870 m). The dust p…

astro-ph.EP2024

Early Planet Formation in Embedded Disks (eDisk) XIV: Flared Dust Distribution and Viscous Accretion Heating of the Disk around R CrA IRS 7B-a

Shigehisa Takakuwa, Kazuya Saigo, Miyu Kido +22

We performed radiative transfer calculations and observing simulations to reproduce the 1.3-mm dust-continuum and CO (2-1) images in the Class I protostar R CrA IRS7B-a, obs…

astro-ph.GA2023

Aligned Grains and Scattered Light Found in Gaps of Planet-Forming Disk

Ian W. Stephens, Zhe-Yu Daniel Lin, Manuel Fernandez-Lopez +8

Polarized (sub)millimeter emission from dust grains in circumstellar disks was initially thought to be due to grains aligned with the magnetic field. However, higher resolution mul…

astro-ph.SR2023

Early Planet Formation in Embedded Disks (eDisk) X: Compact Disks, Extended Infall, and a Fossil Outburst in the Class I Oph IRS43 Binary

Suchitra Narayanan, Jonathan P. Williams, John J. Tobin +17

We present the first results from the Early Planet Formation in Embedded Disks (eDisk) ALMA Large Program toward Oph IRS43, a binary system of solar mass protostars. The 1.3 mm dus…

astro-ph.SR2023

Early Planet Formation in Embedded Disks (eDisk) XII: Accretion streamers, protoplanetary disk, and outflow in the Class I source Oph IRS63

Christian Flores, Nagayoshi Ohashi, John J. Tobin +25

We present ALMA observations of the Class I source Oph IRS63 in the context of the Early Planet Formation in Embedded Disks (eDisk) large program. Our ALMA observations of Oph IRS6…

astro-ph.EP2023

Early Planet Formation in Embedded Disks (eDisk). VIII. A Small Protostellar Disk around the Extremely Low-Mass and Young Class 0 Protostar, IRAS 15398-3359

Travis J. Thieme, Shih-Ping Lai, Nagayoshi Ohashi +22

Protostellar disks are a ubiquitous part of the star formation process and the future sites of planet formation. As part of the Early Planet Formation in Embedded Disks (eDisk) lar…

astro-ph.EP2023

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…

astro-ph.EP2023

Early Planet Formation in Embedded Disks (eDisk) VI: Kinematic Structures around the Very Low Mass Protostar IRAS 16253-2429

Yusuke Aso, Woojin Kwon, Nagayoshi Ohashi +24

Precise estimates of protostellar masses are crucial to characterize the formation of stars of low masses down to brown-dwarfs (BDs; M* < 0.08 Msun). The most accurate estimation o…

astro-ph.EP2023★ 17 cited

Early Planet Formation in Embedded Disks (eDisk) IX: High-resolution ALMA Observations of the Class 0 Protostar R CrA IRS5N and its surrounding

Rajeeb Sharma, Jes K. Jørgensen, Sacha Gavino +19

We present high-resolution, high-sensitivity observations of the Class 0 protostar RCrA IRS5N as part of the Atacama Large Milimeter/submilimeter Array (ALMA) large program Early P…

astro-ph.HE2023★ 13 cited

AT2018dyk Revisited: a Tidal Disruption Event Candidate with Prominent Infrared Echo and Delayed X-ray Emission in a LINER Galaxy

Shifeng Huang, Ning Jiang, Zheyu Lin +2

The multiwavelength data of nuclear transient AT2018dyk, initially discovered as a changing-look low-ionization nuclear emission-line region (LINER) galaxy, has been revisited by u…