activity
20142024
most citedEarly Planet Formation in Embedded Disks (eDisk). I. Overview of the Program and First Results

159 citations · 607 across the 30 of their papers we have counts for

collaborators

32 papers

astro-ph.EP2024

Chemistry in the GG Tau A Disk: Constraints from H2D+, N2H+, and DCO+ High Angular Resolution ALMA Observations

Parashmoni Kashyap, Liton Majumdar, Anne Dutrey +17

Resolved molecular line observations are essential for gaining insight into the physical and chemical structure of protoplanetary disks, particularly in cold, dense regions where p…

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

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.EP2023★ 19 cited

Early Planet Formation in Embedded Disks (eDisk) V: Possible Annular Substructure in a Circumstellar Disk in the Ced110 IRS4 System

Jinshi Sai, Hsi-Wei Yen, Nagayoshi Ohashi +25

We have observed the Class 0/I protostellar system Ced110 IRS4 at an angular resolution of (10 au) as a part of the ALMA large program; Early Planet Formation in the…

astro-ph.EP2023

Early Planet Formation in Embedded Disks (eDisk). VII. Keplerian Disk, Disk Substructure, and Accretion Streamers in the Class 0 Protostar IRAS 16544-1604 in CB 68

Miyu Kido, Shigehisa Takakuwa, Kazuya Saigo +34

We present observations of the Class 0 protostar IRAS 16544-1604 in CB 68 from the ''Early Planet Formation in Embedded Disks (eDisk)'' ALMA Large program. The ALMA observations ta…

astro-ph.EP2023★ 57 cited

Early Planet Formation in Embedded Disks (eDisk). II. Limited Dust Settling and Prominent Snow Surfaces in the Edge-on Class I Disk IRAS 04302+2247

Zhe-Yu Daniel Lin, Zhi-Yun Li, John J. Tobin +26

While dust disks around optically visible, Class II protostars are found to be vertically thin, when and how dust settles to the midplane are unclear. As part of the Atacama Large…

astro-ph.EP2023★ 39 cited

Early Planet Formation in Embedded Disks (eDisk). IV. The Ringed and Warped Structure of the Disk around the Class I Protostar L1489 IRS

Yoshihide Yamato, Yuri Aikawa, Nagayoshi Ohashi +28

Constraining the physical and chemical structure of young embedded disks is crucial to understanding the earliest stages of planet formation. As part of the Early Planet Formation…

astro-ph.EP2023★ 40 cited

Early Planet Formation in Embedded Disks (eDisk) III: A first high-resolution view of sub-mm continuum and molecular line emission toward the Class 0 protostar L1527 IRS

Merel L. R. van 't Hoff, John J. Tobin, Zhi-Yun Li +25

Studying the physical and chemical conditions of young embedded disks is crucial to constrain the initial conditions for planet formation. Here, we present Atacama Large Millimeter…

astro-ph.EP2023★ 159 cited

Early Planet Formation in Embedded Disks (eDisk). I. Overview of the Program and First Results

Nagayoshi Ohashi, John J. Tobin, Jes K. Jørgensen +34

We present an overview of the Large Program, ``Early Planet Formation in Embedded Disks (eDisk)'', conducted with the Atacama Large Millimeter/submillimeter Array (ALMA). The ubiqu…

astro-ph.SR2021★ 14 cited

An unbiased NOEMA 2.6 to 4 mm survey of the GG Tau ring: First detection of CCS in a protoplanetary disk

N. T. Phuong, A. Dutrey, E. Chapillon +13

Molecular line surveys are among the main tools to probe the structure and physical conditions in protoplanetary disks (PPDs), the birthplace of planets. The large radial and verti…

astro-ph.GA2021

Morpho-kinematics of the molecular gas in a quasar host galaxy at redshift =0.654

T. T. Thai, P. Tuan-Anh, P. Darriulat +5

We present a new study of archival ALMA observations of the CO(2-1) line emission of the host galaxy of quasar RX J1131 at redshift =0.654, lensed by a foreground galaxy. A simp…

astro-ph.SR2021★ 13 cited

Morpho-kinematics of the circumstellar envelope of the AGB star R Dor: a global view

P. T. Nhung, D. T. Hoai, P. Tuan-Anh +5

We analyse new ALMA observations of the SiO (=0, =87) and SO(=0, ) line emissions of the circumstellar envelope (CSE) of the oxygen-…

astro-ph.GA2020

Quadruply-imaged quasars: some general features

P. Tuan-Anh, T. T. Thai, N. A. Tuan +6

Gravitational lensing of point sources located inside the lens caustic is known to produce four images in a configuration closely related to the source position. We study this rela…

astro-ph.GA2020★ 42 cited

CHIMPS2: Survey description and CO emission in the Galactic Centre

D. J. Eden, T. J. T. Moore, M. J. Currie +103

The latest generation of Galactic-plane surveys is enhancing our ability to study the effects of galactic environment upon the process of star formation. We present the first data…

astro-ph.SR2020★ 8 cited

Revealing new features of the millimetre emission of the circumbinary envelope of Mira Ceti

D. T. Hoai, P. Tuan-Anh, P. T. Nhung +4

We study the morpho-kinematics of the circumbinary envelope of Mira Ceti between 100 and 350 au from the stars using ALMA observations of the SiO (=0, =5-4) and C…

astro-ph.SR2020★ 24 cited

GG Tau A: gas properties and dynamics from the cavity to the outer disk

N. T. Phuong, A. Dutrey, P. N. Diep +13

We used new ALMA CO and CO(3-2) observations obtained at high angular resolution (0.2") together with previous CO(3-2) and (6-5) ALMA data and continuum maps at…

astro-ph.SR2019★ 6 cited

The nascent wind of AGB star R Doradus: evidence for a recent episode of enhanced mass loss

P. T. Nhung, D. T. Hoai, P. Tuan-Anh +4

We analyse ALMA observations of the SO() emission of the circumstellar envelope of oxygen-rich AGB star R Dor, probing distances between 20 and 100 au from the star wh…

astro-ph.SR2019

Observation of high Doppler velocity wings in the nascent wind of R Doradus

D. T. Hoai, P. T. Nhung, P. Tuan-Anh +4

We study the morpho-kinematics in the nascent wind of AGB star R Doradus in the light of high Doppler velocity wings observed in the spectral lines of several species. We probe dis…

astro-ph.SR2019★ 16 cited

Observation of narrow polar jets in the nascent wind of oxygen-rich AGB star EP Aqr

P. Tuan-Anh, D. T. Hoai, P. T. Nhung +6

Using ALMA observations of CO(2-1), SiO(5-4) and SO(16-17) emissions of the circumstellar envelope of AGB star EP Aqr, we describe the mo…

astro-ph.SR2019★ 18 cited

The morpho-kinematics of the circumstellar envelope around the AGB star EP Aqr

D. T. Hoai, P. T. Nhung, P. Tuan-Anh +6

ALMA observations of CO(1-0) and CO(2-1) emissions of the circumstellar envelope of EP Aqr, an oxygen-rich AGB star, are reported. A thorough analysis of their properties is presen…

astro-ph.SR2018★ 7 cited

ALMA observations of the circumstellar envelope around EP Aqr

P. T. Nhung, D. T. Hoai, P. Tuan-Anh +6

Atacama Large Millimetre/sub-millimetre Array (ALMA) observations of the CO(1-0) and CO(2-1) emissions from the circumstellar envelope of the Asymptotic Giant Branch (AGB) star EP…

astro-ph.SR2018★ 65 cited

First detection of HS in a protoplanetary disk. The dense GG Tau A ring

N. T. Phuong, E. Chapillon, L. Majumdar +8

Studying molecular species in protoplanetary disks is very useful to characterize the properties of these objects, which are the site of planet formation. We attempt to constrain t…

astro-ph.SR2018★ 5 cited

De-projection of radio observations of axi-symmetric expanding circumstellar envelopes

P. T. Nhung, D. T. Hoai, P. Tuan-Anh +5

The problem of de-projection of radio line observations of axi-symmetric expanding circumstellar envelopes is studied with the aim of easing their analysis in terms of physics mode…