activity
20192026
most citedFinal Targeting Strategy for the SDSS-IV APOGEE-2S Survey

100 citations · 661 across the 40 of their papers we have counts for

collaborators

40 papers

astro-ph.GA2026

Low cosmic-ray ionisation at parsec scales in G035.39-00.33

Andrea Socci, Ashley Barnes, Jaime Pineda +11

Cosmic rays (CRs) regulate the chemical evolution of the gas and its coupling to the magnetic field in the densest and coldest regions of the interstellar medium (ISM). However, th…

astro-ph.GA2025

SiO emission in the filamentary Infrared Dark Cloud G035.39-00.33: An ALMA view

Rong Liu, Izaskun Jiménez-Serra, Giuliana Cosentino +8

Filamentary infrared dark clouds (IRDCs) are believed to represent the initial conditions for massive star and cluster formation. We investigate the IRDC G035.39-00.33 using SiO, H…

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

The SOMA-POL Survey. I. Polarization and magnetic field properties of massive protostars

Tuva Källberg, Chi Yan Law, Jonathan C. Tan +2

The role of magnetic fields in regulating the formation of massive stars remains much debated. Here we present sub-millimeter polarimetric observations with JCMT-POL2 at m…

astro-ph.SR2025★ 1 cited

The SOFIA Massive (SOMA) Star Formation Q-band Follow-up. II. Hydrogen Recombination Lines Toward High-Mass Protostars

Prasanta Gorai, Kotomi Taniguchi, Jonathan C. Tan +11

Hydrogen recombination lines (HRLs) are valuable diagnostics of the physical conditions in ionized regions around high-mass stars. Understanding their broadening mechanisms and int…

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★ 6 cited

The JWST-NIRCam View of Sagittarius C. II. Evidence for Magnetically Dominated HII Regions in the CMZ

John Bally, Samuel Crowe, Rubén Fedriani +11

We present JWST-NIRCam narrow-band, 4.05 m Brackett- images of the Sgr C HII region, located in the Central Molecular Zone (CMZ) of the Galaxy. Unlike any HII region in the S…

astro-ph.GA2024

The SOFIA Massive (SOMA) Star Formation Survey. V. Clustered Protostars

Zoie Telkamp, Ruben Fedriani, Jonathan C. Tan +16

We present m SOFIA-FORCAST images of seven regions of ``clustered" star formation as part of the SOFIA Massive (SOMA) Star Formation Survey. We identify a total of 34…

astro-ph.GA2024★ 5 cited

The SOFIA Massive (SOMA) Star Formation Q-band follow-up I. Carbon-chain chemistry of intermediate-mass protostars

Kotomi Taniguchi, Prasanta Gorai, Jonathan C. Tan +10

Evidence for similar chemical characteristics around low- and high-mass protostars has been found: in particular, a variety of carbon-chain species and complex organic molecules (C…

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.GA2024

The JWST-NIRCam View of Sagittarius C. I. Massive Star Formation and Protostellar Outflows

Samuel Crowe, Rubén Fedriani, Jonathan C. Tan +14

We present James Webb Space Telescope (JWST)-NIRCam observations of the massive star-forming molecular cloud Sagittarius C (Sgr C) in the Central Molecular Zone (CMZ). In conjuncti…

astro-ph.GA2024

Exploring Magnetic Fields in Molecular Clouds through Denoising Diffusion Probabilistic Models

Duo Xu, Jenna Karcheski, Chi-Yan Law +3

Accurately measuring magnetic field strength in the interstellar medium, including giant molecular clouds (GMCs), remains a significant challenge. We present a machine learning app…

astro-ph.GA2024

Magnetic Fields in Massive Star-forming Regions (MagMaR): Unveiling an Hourglass Magnetic Field in G333.46-0.16 using ALMA

Piyali Saha, Patricio Sanhueza, Marco Padovani +33

The contribution of the magnetic field to the formation of high-mass stars is poorly understood. We report the high-angular resolution (, 870 au) map of the…

astro-ph.GA2024

Self-similarity of the magnetic field at different scales: the case of G31.41+0.31

M. T. Beltrán, M. Padovani, D. Galli +11

Context. Dust polarization observations of the massive protocluster G31.41+0.31 carried out at ~1'' (~3750 au) resolution with the SMA at 870 microm have revealed one of the cleare…

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

Polarized Light from Massive Protoclusters (POLIMAP). I. Dissecting the role of magnetic fields in the massive infrared dark cloud G28.37+0.07

C-Y Law, Jonathan C. Tan, Raphael Skalidis +11

Magnetic fields may play a crucial role in setting the initial conditions of massive star and star cluster formation. To investigate this, we report SOFIA-HAWC+ m observati…

astro-ph.GA2023★ 9 cited

Deuterium Fractionation across the Infrared Dark Cloud G034.77-00.55 interacting with the Supernova Remnant W44

G. Cosentino, J. C. Tan, I. Jiménez-Serra +10

Supernova remnants (SNRs) may regulate star formation in galaxies. For example, SNR-driven shocks may form new molecular gas or compress pre-existing clouds and trigger the formati…

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★ 30 cited

Mother of Dragons: A Massive, quiescent core in the dragon cloud (IRDC G028.37+00.07)

A. T. Barnes, J. Liu, Q. Zhang +15

Context: Core accretion models of massive star formation require the existence of massive, starless cores within molecular clouds. Yet, only a small number of candidates for such t…

astro-ph.GA2023

Astrochemical Diagnostics of the Isolated Massive Protostar G28.20-0.05

Prasanta Gorai, Chi-Yan Law, Jonathan C. Tan +8

We study the astrochemical diagnostics of the isolated massive protostar G28.20-0.05. We analyze data from ALMA 1.3~mm observations with resolution of 0.2 arcsec (1,000 au).…

astro-ph.GA2023★ 11 cited

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…

astro-ph.GA2022★ 24 cited

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)…

astro-ph.GA2022★ 26 cited

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…

astro-ph.GA2022★ 9 cited

Application of Convolutional Neural Networks to Predict Magnetic Fields Directions in Turbulent Clouds

Duo Xu, Chi-Yan Law, Jonathan C. Tan

We adopt the deep learning method CASI-3D (Convolutional Approach to Structure Identification-3D) to infer the orientation of magnetic fields in sub-/trans- Alfvenic turbulent clou…