143 citations · 1.9k across the 78 of their papers we have counts for
61 papers · 1 filter
B-fields In STar-forming Region Observations (BISTRO): Dual-Wavelength Constraints on Size-Dependent Grain Alignment in Star-Forming Regions
Ray S. Furuya, David Berry, Pierre Bastien +65
We compared 450 and 850 m POL-2 observations from the James Clerk Maxwell Telescope at resolution. The median absolute difference in polarization angle between bands is…
B-fields In STar-forming Region Observations (BISTRO): Technical Foundations for Quantitative 450/850 m JCMT SCUBA-2/POL-2 Polarimetry
Ray S. Furuya, David Berry, Pierre Bastien +59
We present five technical validations of SCUBA-2/POL-2 polarimetry on the James Clerk Maxwell Telescope at 450 and 850 m, using 174 archival fields in 69 molecular cloud regions…
Magnetic Fields in Massive Star-forming Regions (MagMaR). IX. Radiative Torque Alignment and Disruption in NGC6334I
Vineet Rawat, Thiem Hoang, Patricio Sanhueza +18
Intense radiation from high-mass stars is expected to significantly affect dust grain alignment and evolution through RAdiative Torques (RATs). We investigate this effect in a mass…
ALOHA IRDCs Molecular Line Follow-up: I. Gas properties and kinematics
Jinjin Xie, Yaoting Yan, Zhiyuan Ren +109
Infrared Dark Clouds are ideal sites for investigating the initial conditions of massive star and cluster formation. The A Lei Of the Habitat and Assembly of Infrared Dark Clouds (…
Magnetic Fields in Massive Star-forming Regions (MagMaR). VII. On the dynamical importance of B-fields in massive protocluster W33 A
Fengwei Xu, Q. Zhang, P. Sanhueza +30
Magnetic fields (B-fields) are likely important in massive protocluster formation, but their role remains poorly constrained. We present 1.2 mm ALMA full-polarization observations…
Magnetic field Topology and Star Formation in the Cepheus B Filamentary cloud under External Feedback
Panigrahy Sandhyarani, Chakali Eswaraiah, Manash R. Samal +6
We present a detailed study of the Cep B molecular cloud based on sub-mm dust polarization and CO (J=3--2) spectral line observations obtained with SCUBA-2/POL-2 and HARP on…
BISTRO Survey: Gravity-Dominated and Magnetically Regulated Star Formation in M17 SW
Mengke Zhao, Keping Qiu, Ji-hyun Kang +27
We present high-resolution magnetic field maps of the M17 SW molecular cloud using JCMT 850 m dust polarization at a scale of 14. The magnetic field exhibits a distinct arc-…
The dominance of turbulence over magnetism in the formation of massive star cluster seeds
Junhao Liu, Patricio Sanhueza, Piyali Saha +32
High-mass stars form in protoclusters, where gravo-magnetic processes shape collapsing clouds and clumps to be elongated preferentially perpendicular to magnetic (B) fields. Yet it…
Magnetic Fields in Massive Star-forming Regions (MagMaR). VI. Magnetic Field Dragging in the Filamentary High-mass Star-forming Region G35.20--0.74N due to Gravity
Jihye Hwang, Patricio Sanhueza, Josep Miquel Girart +27
We investigate the magnetic field orientation and strength in the massive star-forming region G35.20-0.74N (G35), using polarized dust emission data obtained with the Atacama Large…
The Polarisation Sky Survey of the Universe's Magnetism (POSSUM): Science Goals and Survey Description
B. M. Gaensler, G. H. Heald, N. M. McClure-Griffiths +57
The Australian SKA Pathfinder (ASKAP) offers powerful new capabilities for studying the polarised and magnetised Universe at radio wavelengths. In this paper, we introduce the Pola…
Evidence for the gravity-driven and magnetically-regularized gas flows feeding the massive protostellar cluster in Cepheus A
Panigrahy Sandhyarani, Chakali Eswaraiah, Di Li +8
The hierarchical interplay among gravity, magnetic fields, and turbulence in forming massive protostellar clusters remains elusive. We present high-resolution (14 arcsec $\si…
A Tale of Three: Magnetic Fields along the Orion Integral-Shaped Filament as Revealed by JCMT BISTRO survey
Jintai Wu, Keping Qiu, Frederick Poidevin +152
As part of the BISTRO survey, we present JCMT 850 m polarimetric observations towards the Orion Integral-Shaped Filament (ISF) that covers three portions known as OMC-1, OMC-2,…
Magnetic Fields in Massive Star-forming Regions (MagMaR). V. The Magnetic Field at the Onset of High-mass Star Formation
Patricio Sanhueza, Junhao Liu, Kaho Morii +36
A complete understanding of the initial conditions of high-mass star formation and what processes determine multiplicity require the study of the magnetic field (B-field) in young,…
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…
VolDen: a tool to extract number density from the column density of filamentary molecular clouds
Ashesh A. K, Chakali Eswaraiah, P Ujwal Reddy +1
Gas volume density is one of the critical parameters, along with dispersions in magnetic field position angles and non-thermal gas motions, for estimating the magnetic field streng…
A Comparative Study of Dust Grain Polarisation Efficiencies in the Interstellar and Intracluster Mediums towards Anti-Center Galaxy
N. Bijas, Chakali Eswaraiah, Panigrahy Sandhyarani +2
Dust polarisation observations at optical wavelengths help understand the dust grain properties and trace the plane-of-the-sky component of the magnetic field. In this study, we ma…
Turbulence and Magnetic Fields in Star Formation
Archana Soam, Chakali Eswaraiah, Amit Seta +2
Molecular clouds are prime locations to study the process of star formation. These clouds contain filamentary structures and cores, which are crucial sites for the formation of you…
The Giant Molecular Cloud G148.24+00.41: Gas Properties, Kinematics, and Cluster Formation at the Nexus of Filamentary Flows
Vineet Rawat, M. R. Samal, D. L. Walker +9
Filamentary flows toward the centre of molecular clouds have been recognized as a crucial process in the formation and evolution of stellar clusters. In this paper, we present a co…
Understanding the relative importance of magnetic field, gravity, and turbulence in star formation at the hub of the giant molecular cloud G148.24+00.41
Vineet Rawat, M. R. Samal, Chakali Eswaraiah +10
The relative importance of magnetic fields, turbulence, and gravity in the early phases of star formation is still not well understood. We report the first high-resolution dust pol…
Galactic `Snake' IRDC G11.110.12: a site of multiple hub-filament systems and colliding filamentary clouds
L. K. Dewangan, N. K. Bhadari, A. K. Maity +3
To probe star formation processes, we present a multi-scale and multi-wavelength investigation of the `Snake' nebula/infrared dark cloud G11.110.12 (hereafter, G11; length $\sim…
A High-Mass Young Star-forming Core Escaping from Its Parental Filament
Zhiyuan Ren, Xi Chen, Tie Liu +17
We studied the unique kinematic properties in massive filament G352.63-1.07 at -AU spatial scale with the dense molecular tracers observed with the Atacama Large Millimeter/s…
Direct observational evidence of the multi-scale, dynamical mass accretion toward a high-mass star forming hub-filament system
Dongting Yang, Hong-Li Liu, Anandmayee Tej +28
There is growing evidence that high-mass star formation and hub-filament systems (HFS) are intricately linked. The gas kinematics along the filaments and the forming high-mass star…
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…
The role of magnetic fields in the fragmentation of the Taurus B213 filament into Sun-type star-forming cores
Anirudh R., Chakali Eswaraiah, Sihan Jiao +1
Fragmentation is a key step in the process of transforming clouds (and their substructures such as filaments, clumps, and cores) into protostars. The thermal gas pressure and gravi…