65 citations · 263 across the 28 of their papers we have counts for
29 papers
B-fields And dust in interstelLar fiLAments using Dust POLarization (BALLAD-POL): IV. Grain alignment mechanisms in Cocoon Nebula (IC 5146) using polarization observations from JCMT/POL-2
Saikhom Pravash, Thiem Hoang, Archana Soam +4
The polarization of starlight and thermal dust emission from aligned non-spherical grains provides a powerful tool for tracing magnetic field morphologies and strengths in diffuse…
Supermassive black hole mass measurement in the spiral galaxy NGC 4736 Using JWST/NIRSpec stellar kinematics
Dieu D. Nguyen, Hai N. Ngo, Tinh Q. T. Le +12
We present accurate mass measurements of the central supermassive black hole (SMBH) in NGC 4736 (M 94).\ We used the ``gold-standard" stellar absorption features (CO band heads) at…
The JCMT BISTRO Survey: The Magnetic Fields of the IC 348 Star-forming Region
Youngwoo Choi, Woojin Kwon, Kate Pattle +150
We present 850 m polarization observations of the IC 348 star-forming region in the Perseus molecular cloud as part of the B-fields In STar-forming Region Observation (BISTRO) s…
Understanding the Multi-wavelength Thermal Dust Polarisation from the Orion Molecular Cloud in Light of the Radiative Torque Paradigm
Le Ngoc Tram, Thiem Hoang, Helmut Wiesemeyer +4
Dust grains are important in various astrophysical processes and serve as indicators of interstellar medium structures, density, and mass. Understanding their physical properties a…
B-fields And dust in interstelLar fiLAments using Dust POLarization (BALLAD-POL): II. Testing the Radiative Torque Paradigm in Musca and OMC-1
Nguyen Bich Ngoc, Thiem Hoang, Pham Ngoc Diep +1
Polarization of starlight and thermal dust emission caused by aligned dust grains is a valuable tool to characterize magnetic fields (B-fields) and constrain dust properties. Howev…
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…
Evidence of Grain Alignment by Magnetically Enhanced Radiative Torques from Multiwavelength Dust Polarization Modeling of HL Tau
Nguyen Tat Thang, Pham Ngoc Diep, Thiem Hoang +4
Atacama Large Millimeter/Submillimeter Array (ALMA) has revolutionized the field of dust polarization in protoplanetary disks across multiple wavelengths. Previous observations and…
Numerical modeling of thermal dust polarization from aligned grains in the envelope of evolved stars with updated POLARIS
Bao Truong, Thiem Hoang, Nguyen Chau Giang +3
Magnetic fields are thought to influence the formation and evolution of circumstellar envelopes around evolved stars. Thermal dust polarization from aligned grains is a promising t…
The JCMT BISTRO Survey: Studying the Complex Magnetic Field of L43
Janik Karoly, Derek Ward-Thompson, Kate Pattle +155
We present observations of polarized dust emission at 850 m from the L43 molecular cloud which sits in the Ophiuchus cloud complex. The data were taken using SCUBA-2/POL-2 on th…
First BISTRO observations of the dark cloud Taurus L1495A-B10: the role of the magnetic field in the earliest stages of low-mass star formation
Derek Ward-Thompson, Janik Karoly, Kate Pattle +155
We present BISTRO Survey 850 μm dust emission polarisation observations of the L1495A-B10 region of the Taurus molecular cloud, taken at the JCMT. We observe a roughly triangular n…
B-fields And dust in interstelLar fiLAments using Dust POLarization (BALLAD-POL): I. The massive filament G11.11-0.12 observed by SOFIA/HAWC+
Nguyen Bich Ngoc, Pham Ngoc Diep, Thiem Hoang +8
We report the first measurement of polarized thermal dust emission toward the entire early and massive Infrared Dark Cloud G11.110.12 taken by the polarimeter SOFIA/HAWC+ at 214…
JCMT BISTRO Observations: Magnetic Field Morphology of Bubbles Associated with NGC 6334
Mehrnoosh Tahani, Pierre Bastien, Ray S. Furuya +142
We study the HII regions associated with the NGC 6334 molecular cloud observed in the sub-millimeter and taken as part of the B-fields In STar-forming Region Observations (BISTRO)…
The JCMT BISTRO-2 Survey: Magnetic Fields of the Massive DR21 Filament
Tao-Chung Ching, Keping Qiu, Di Li +154
We present 850 m dust polarization observations of the massive DR21 filament from the B-fields In STar-forming Region Observations (BISTRO) survey, using the POL-2 polarimeter a…
The JCMT BISTRO Survey: A Spiral Magnetic Field in a Hub-filament Structure, Monoceros R2
Jihye Hwang, Jongsoo Kim, Kate Pattle +157
We present and analyze observations of polarized dust emission at 850 m towards the central 1 pc 1 pc hub-filament structure of Monoceros R2 (Mon R2). The data are obta…
Contributions of rotation, expansion and line broadening to the morpho-kinematics of the inner CSE of oxygen-rich AGB star R Hya
P. T. Nhung, D. T. Hoai, P. Darriulat +4
We use archival ALMA observations of the CO(2-1) and SiO(5-4) molecular line emissions of AGB star R Hya to illustrate the relative contributions of rotation, expansion and line br…
Recent mass ejection from AGB star W Hya
Do Thi Hoai, Pham Tuyet Nhung, Pierre Darriulat +4
We analyse archival ALMA (Atacama Large Millimeter/submillimeter Array) observations of two molecular line emissions, CO(3-2) and SiO(8-7), from oxygen-rich AGB (Asym…
Modeling extinction and reddening effects by circumstellar dust in the Betelgeuse envelope in the presence of radiative torque disruption
Bao Truong, Le Ngoc Tram, Thiem Hoang +9
Circumstellar dust is formed and evolved within the envelope of evolved stars, including Asymptotic Giant Branch (AGB) and Red Supergiant (RSG). The extinction of stellar light by…
ALMA Observations of W Hya: Impact of missing baselines
Do Thi Hoai, Pham Tuan Anh, Pham Tuyet Nhung +4
The lack of short baselines, referred to as short-spacing problem (SSP), is a well-known limitation of the performance of radio interferometers, causing a reduction of the detected…
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…
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…
Morphology of the CO(3-2) millimeter emission across the gas disc surrounding the triple protostar GG Tau A using ALMA observations
N. T. Phuong, P. N. Diep, A. Dutrey +8
Observations by the Atacama Large Millimeter/sub-millimeter Array of the dust continuum and CO(3-2) millimeter emissions of the triple stellar system GG Tau A are analysed,…
High resolution ALMA observation of the CO(3-2) and 350 GHz continuum emissions of the debris disc of 49 Ceti
P. T. Nhung, D. T. Hoai, P. Tuan-Anh +4
We present high resolution ALMA observations of the CO(3-2) and 350 GHz continuum emissions of the debris disc of 49 Ceti, known to be particularly rich in molecular gas in spite o…
On the dust and gas components of the gravitationally lensed quasar host RX J0911.4+0551
P. Tuan-Anh, D. T. Hoai, P. T. Nhung +4
Observations by the Atacama Large Millimetre/sub-millimetre Array of the 358 GHz continuum emission of the gravitationally lensed quasar host RX J0911.4+0551 have been analysed. Th…
Morphology and kinematics of the gas envelope of protostar L1527 as obtained from ALMA observations of the CO(2-1) line emission
P. Tuan-Anh, P. T. Nhung, D. T. Hoai +4
Using ALMA observations of the CO(2-1) line emission of the gas envelope of protostar L1527, we have reconstructed its morphology and kinematics under the assumption of axis…