194 citations · 3.6k across the 124 of their papers we have counts for
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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…
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,…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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$…
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…
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,…
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)…
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…
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…
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…
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…
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…
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…
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…