activity
20102026
most citedMultiwavelength Study of Quiescent States of Mrk 421 with Unprecedented Hard X-Ray Coverage Provided by NuSTAR in 2013

143 citations · 1.9k across the 78 of their papers we have counts for

collaborators

78 papers

astro-ph.GA2026

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…

astro-ph.GA2026

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 (…

astro-ph.GA2026

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…

astro-ph.GA2026

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…

astro-ph.GA2026

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-…

astro-ph.GA2026

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…

astro-ph.GA2025

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…

astro-ph.GA2025★ 1 cited

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…

astro-ph.GA2025

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…

astro-ph.GA2024★ 6 cited

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,…

astro-ph.GA2024

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,…

astro-ph.GA2024

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…

astro-ph.SR2024

Twins in Diversity: Understanding circumstellar disk evolution in the twin clusters of W5 complex

Belinda Damian, Jessy Jose, Swagat R. Das +6

Young star-forming regions in massive environments are ideal test beds to study the influence of surroundings on the evolution of disks around low-mass stars. We explore two distan…

astro-ph.GA2024

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…

astro-ph.GA2024★ 5 cited

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…

astro-ph.GA2024

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…

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.GA2024

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…

astro-ph.GA2024

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…

astro-ph.GA2023

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…

astro-ph.GA2023★ 3 cited

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…

astro-ph.GA2023★ 43 cited

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…

astro-ph.GA2023★ 14 cited

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…

astro-ph.GA2023★ 1 cited

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…