activity
20212026
most citedAn Early Transition to Magnetic Supercriticality in Star Formation

49 citations · 90 across the 40 of their papers we have counts for

collaborators

41 papers

astro-ph.SR2026

Early Planet Formation in Embedded Disks (eDisk). XXIV: Systematic Investigation of Disk Structures based on Visibility Analysis

Mayank Narang, Jerry Xu, Leslie W. Looney +11

The dust continuum emission from young protostellar disks encodes key information about their mass distribution and early evolution, yet uniform high-resolution comparative studies…

astro-ph.SR2026

Nascent Embedded-protostar Survey in Taurus (NEST) I: Protostellar Multiplicity

Aislinn C. Plante, John J. Tobin, Patrick D. Sheehan +5

We present new ALMA 0.9 mm and VLA 9 mm observations in the Taurus Molecular Cloud (TMC) of 25 protostellar systems, containing 40 protostars, observed at 0.3" (~20 au) resolution.…

astro-ph.SR2026

Nascent Embedded-protostar Survey in Taurus (NEST) II: Measuring Dust Mass, Disk Size, and Gas Mass

Noshin Yesmin, Patrick Sheehan, John Tobin +6

Envelope-embedded protostellar disks represent the earliest stage of protoplanetary disk evolution, but their masses and sizes are difficult to measure because disk emission is ent…

astro-ph.GA2026

Magneto-Gravitational Regulated Streamer Accretion onto a Class 0 Protostellar System

Bo Huang, Josep M. Girart, Ian W. Stephens +17

How do magnetic fields shape the way young stars gather gas from their birth clouds? Using high-resolution Atacama Large Millimeter/submillimeter Array observations of a young trip…

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.GA2026

Early Planet Formation in Embedded Disks (eDisk). XVIII. Indication of a possible spiral structure in the dust-continuum emission of the protostellar disk around IRAS 16544-1604 in CB 68

Sanemichi Z. Takahashi, Shigehisa Takakuwa, Ryosuke Nakanishi +11

We performed numerical simulations along with radiative transfer calculations to reproduce an intriguing asymmetric shoulder feature in the dust-continuum emission of the protostel…

astro-ph.SR2026

Protostellar Outflows Shed Light on the Dominant Close Companion Star Formation Pathways

Ryan Sponzilli, Leslie Looney, John J. Tobin +11

Understanding the formation pathway for close-companion protostars is central to unraveling the processes that govern stellar multiplicity and very early star formation. We analyze…

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.SR2025

Early Planet Formation in Embedded Disks (eDisk). XIX. Structures of molecular outflows

Anton Feeney-Johansson, Yuri Aikawa, Shigehisa Takakuwa +13

As part of the ALMA Large Program "Early Planet Formation in Embedded Disks" (eDisk), 12CO (2 - 1) was observed towards 19 nearby low-mass protostars. Of these objects, 15 sources…

astro-ph.GA2025★ 2 cited

The Rotation Dip in the Envelope-Disk Transition of HH 111: Evidence for Magnetic Braking

Jyun-Heng Lin, Chin-Fei Lee, Zhi-Yun Li +3

Magnetic braking can drive angular momentum loss in star formation and influence disk evolution. A previous study of HH 111 VLA1 suggested a decrease in rotation velocity in a regi…

astro-ph.EP2025★ 2 cited

Early Planet Formation in Embedded Disks (eDisk). XX. Constraining the Chemical Tracers of Young Protostellar Sources

Rajeeb Sharma, Jes K. Jørgensen, Merel L. R. van 't Hoff +12

Recent studies indicate that the formation of planets in protoplanetary disks begins early in the embedded Class 0/I phases of protostellar evolution. The physical and chemical mak…

astro-ph.GA2025

FIELDMAPS Data Release: Far-Infrared Polarization in the "Bones" of the Milky Way

Simon Coudé, Ian W. Stephens, Philip C. Myers +13

Polarization observations of the Milky Way and many other spiral galaxies have found a close correspondence between the orientation of spiral arms and magnetic field lines on scale…

astro-ph.GA2025

Magnetic Fields in the Bones of the Milky Way

Ian W. Stephens, Simon Coude, Philip C. Myers +20

Stars primarily form in galactic spiral arms within dense, filamentary molecular clouds. The largest and most elongated of these molecular clouds are referred to as ``bones," which…

astro-ph.SR2025

The Hourglass-shaped Magnetic Fields and Dust Filaments in the HH 211 Protostellar Envelope

Youngwoo Choi, Woojin Kwon, Leslie W. Looney +4

Magnetic fields influence the structure and evolution of protostellar systems, thus understanding their role is essential for probing the earliest stages of star formation. We pres…

astro-ph.SR2025★ 2 cited

SOFIA Polarization Spectrum of Three Star-Forming Clouds

Erin G. Cox, Giles Novak, David T. Chuss +6

The dust emission polarization spectrum -- how the polarization percentage changes with wavelength -- serves as a probe of dust grain properties in star-forming regions. In this pa…

astro-ph.SR2025

Early Planet Formation in Embedded Disks (eDisk) XXII: Keplerian disk, disk structures and jets/outflows in the Class 0 protostar IRAS 04166+2706

Nguyen Thi Phuong, Chang Won Lee, John J. Tobin +20

We present ALMA observations of the Class 0 protostar IRAS 04166+2706, obtained as part of the ALMA large program Early Planet Formation in Embedded Disks (eDisk). These observatio…

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.EP2025

Early Planet Formation in Embedded Disks (eDisk) XVII: A Compact but Structured Keplerian Disk and Large-scale Streamers Revealed in the Class I Protostellar System IRAS 04169+2702

Ilseung Han, Woojin Kwon, Yusuke Aso +22

We present high-resolution (0.05"; 8 au) dust continuum and molecular line observations toward the Class I protostellar system IRAS 04169+2702 in the Taurus B213 region, as p…

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

Early Planet Formation in Embedded Disks (eDisk) XXI: Limited role of streamers in mass supply to the disk in the Class 0 protostar IRAS 16544-1604

Miyu Kido, Hsi-Wei Yen, Jinshi Sai +17

Asymmetric and narrow infalling structures, often called streamers, have been observed in several Class 0/I protostars, which is not expected in the classical star formation pictur…

astro-ph.GA2025

Characterizing Magnetic Properties of Young Protostars in Orion

Bo Huang, Josep M. Girart, Ian W. Stephens +15

The {\em B}-field Orion Protostellar Survey (BOPS) recently obtained polarimetric observations at 870 towards 61 protostars in the Orion molecular clouds with $\sim 1^{\…

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…