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20102026
most citedFormation of a Keplerian disk in the infalling envelope around L1527 IRS: transformation from infalling motions to Kepler motions

194 citations · 3.6k across the 124 of their papers we have counts for

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astro-ph.SR2026

Benchmarking pre-main sequence stellar evolutionary tracks using disk-based dynamical stellar masses

Luigi Zallio, Miguel Vioque, Sean M. Andrews +14

Stellar masses are a fundamental property to understand models of pre-main sequence evolution, but their values derived from Hertzsprung-Russell (HR) diagrams are strongly model de…

astro-ph.SR2025★ 4 cited

The 12CO Gas Structures of Protoplanetary Disks in the Upper Scorpius Region

Luigi Zallio, Giovanni P. Rosotti, Miguel Vioque +13

We present measurements of key protoplanetary disk properties inferred from parametric models of ALMA 12CO spectral line visibilities. We derive gas-disk radii, integrated fluxes,…

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.SR2024

Protostellar Disk Formation Regimes: Angular Momentum Conservation versus Magnetic Braking

Hsi-Wei Yen, Yueh-Ning Lee

Protostellar disks around young protostars exhibit diverse properties, with their radii ranging from less than ten to several hundred au. To investigate the mechanisms shaping this…

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.SR2024

Multiple misaligned outflows and warped accretion flows in the proto-multiple system Per-emb-8 and 55

Shang-Jing Lin, Hsi-Wei Yen, Shih-Ping Lai

To investigate the formation process of multiple systems, we have analyzed the ALMA archival data of the 1.3 mm continuum, CO (2-1) and CO (2-1) emission in a proto-m…

astro-ph.SR2024

Early Planet Formation in Embedded Disks (eDisk) XV: Influence of Magnetic Field Morphology in Dense Cores on Sizes of Protostellar Disks

Hsi-Wei Yen, Jonathan P. Williams, Jinshi Sai +15

The magnetic field of a molecular cloud core may play a role in the formation of circumstellar disks in the core. We present magnetic field morphologies in protostellar cores of 16…

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.SR2024

Multiple Outflows around a Single Protostar IRAS 153983359

Jinshi Sai, Hsi-Wei Yen, Masahiro N. Machida +4

We present the results of our mosaic observations of a single Class 0 protostar IRAS 153983359 with Atacama Compact Array (ACA) in the CO $J=2\mbox{-}1$ line. The new observatio…

astro-ph.SR2024

Filamentary Network and Magnetic Field Structures Revealed with BISTRO in the High-Mass Star-Forming Region NGC2264 : Global Properties and Local Magnetogravitational Configurations

Jia-Wei Wang, Patrick M. Koch, Seamus D. Clarke +154

We report 850 m continuum polarization observations toward the filamentary high-mass star-forming region NGC 2264, taken as part of the B-fields In STar forming Regions Observat…

astro-ph.SR2024

TIPSY: Trajectory of Infalling Particles in Streamers around Young stars. Dynamical analysis of the streamers around S CrA and HL Tau

Aashish Gupta, Anna Miotello, Jonathan P. Williams +3

Context. Elongated trails of infalling gas, often referred to as "streamers," have recently been observed around young stellar objects (YSOs) at different evolutionary stages. This…

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.SR2023

Probing Velocity Structures of Protostellar Envelopes: Infalling and Rotating Envelopes within Turbulent Dense Cores

Jinshi Sai, Nagayoshi Ohashi, Hsi-Wei Yen +2

We have observed the three low-mass protostars, IRAS 153983359, L1527 IRS and TMC-1A, with the ALMA 12-m array, the ACA 7-m array, and the IRAM-30m and APEX telescopes in the C$…

astro-ph.SR2023★ 48 cited

Reflections on nebulae around young stars: A systematic search for late-stage infall of material onto Class II disks

Aashish Gupta, Anna Miotello, Carlo F. Manara +10

Context. While it is generally assumed that Class II sources evolve largely in isolation from their environment, many still lie close to molecular clouds and may continue to intera…

astro-ph.SR2023★ 12 cited

The HH 24 Complex: Jets, Multiple Star Formation, and Orphaned Protostars

Bo Reipurth, J. Bally, Hsi-Wei Yen +9

The HH 24 complex harbors five collimated jets emanating from a small protostellar multiple system. We have carried out a multi-wavelength study of the jets, their driving sources,…

astro-ph.SR2022★ 12 cited

Increasing mass-to-flux ratio from the dense core to the protostellar envelope around the Class 0 protostar HH 211

Hsi-Wei Yen, Patrick Koch, Chin-Fei Lee +7

To study transportation of magnetic flux from large to small scales in protostellar sources, we analyzed the Nobeyama 45-m N2H+ (1-0), JCMT 850 um polarization, and ALMA C18O (2-1)…

astro-ph.SR2022

A VLA View of the Flared, Asymmetric Disk Around the Class 0 Protostar L1527 IRS

Patrick D. Sheehan, John J. Tobin, Zhi-Yun Li +21

We present high resolution Karl G. Jansky Very Large Array (VLA) observations of the protostar L1527 IRS at 7 mm, 1.3 cm, and 2 cm wavelengths. We detect the edge-on dust disk at a…

astro-ph.SR2022

Effects of magnetic field orientations in dense cores on gas kinematics in protostellar envelopes

Aashish Gupta, Hsi-Wei Yen, Patrick Koch +16

Theoretically, misalignment between the magnetic field and rotational axis in a dense core is considered to be dynamically important in the star formation process, however, extent…

astro-ph.SR2021★ 15 cited

Which Part of Dense Cores Feeds Material to Protostars?: The Case of L1489 IRS

Jinshi Sai, Nagayoshi Ohashi, Anaëlle J. Maury +4

We have conducted mapping observations () of the Class I protostar L1489 IRS using the 7-m array of the Atacama Compact Array (ACA) and the IRAM-30m telescope in t…

astro-ph.SR2020★ 34 cited

Dynamical stellar masses of pre-main sequence stars in Lupus and Taurus obtained with ALMA surveys in comparison with stellar evolutionary models

Teresa A. M. Braun, Hsi-Wei Yen, Patrick M. Koch +3

We analysed archival molecular line data of pre-main sequence (PMS) stars in the Lupus and Taurus star-forming regions obtained with ALMA surveys with an integration time of a few…

astro-ph.SR2020★ 44 cited

Disk structure around the Class I protostar L1489 IRS revealed by ALMA: a warped disk system

Jinshi Sai, Nagayoshi Ohashi, Kazuya Saigo +9

We have observed the Class I protostar L1489 IRS with the Atacama Millimeter/submillimeter Array (ALMA) in Band 6. The CO 2-1 line emission shows flattened and non-axisy…

astro-ph.SR2020★ 16 cited

Transition from ordered pinched to warped magnetic field on a 100 au scale in the Class 0 protostar B335

Hsi-Wei Yen, Bo Zhao, Patrick Koch +6

We present our observational results of the 0.87 mm polarized dust emission in the Class 0 protostar B335 obtained with the Atacama Large Millimeter/submillimeter Array (ALMA) at a…

astro-ph.SR2019★ 18 cited

Protostellar Evolution in Serpens Main: Possible Origin of Disk-Size Diversity

Yusuke Aso, Naomi Hirano, Yuri Aikawa +6

We have observed the submillimeter continuum condensations SMM2, SMM4, SMM9, and SMM11 in the star forming cluster Serpens Main using the Atacama Large Millimeter/submillimeter Arr…