Kate Pattle

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 Î¼m dust emission polarisation observations of the L1495A-B10 region of the Taurus molecular cloud, taken at the JCMT. We observe a roughly triangular…

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 $I^¼$ m towards the central 1 pc $\times$ 1 pc hub-filament structure of Monoceros R2 (Mon R2). The data are obt…

JCMT BISTRO survey: Magnetic Fields within the Hub-Filament Structure in IC 5146

Jia-Wei Wang, Shih-Ping Lai, Chakali Eswaraiah +130

We present the 850 $I^¼$ m polarization observations toward the IC5146 filamentary cloud taken using the Submillimetre Common-User Bolometer Array 2 (SCUBA-2) and its associated pola…

Magnetic fields towards Ophiuchus-B derived from SCUBA-2 polarization measurements

Archana Soam, Kate Pattle, Derek Ward-Thompson +121

We present the results of dust emission polarization measurements of Ophiuchus-B (Oph-B) carried out using the Submillimetre Common-User Bolometer Array 2 (SCUBA-2) camera with its…

Atacama Large Aperture Submillimeter Telescope (AtLAST) Science: Our Galaxy

Pamela Klaassen, Alessio Traficante, Maria T. BeltrÃ¡n +38

As we learn more about the multi-scale interstellar medium (ISM) of our Galaxy, we develop a greater understanding for the complex relationships between the large-scale diffuse gas…

JCMT BISTRO Survey observations of the Ophiuchus Molecular Cloud: Dust grain alignment properties inferred using a Ricean noise model

Kate Pattle, Shih-Ping Lai, Tetsuo Hasegawa +18

The dependence of polarization fraction $p$ on total intensity $I$ in polarized submillimeter emission measurements is typically parameterized as $p \propto I^{- I^\pm}$ $(I^\pm \leq 1)$ , a…

A Nearby Dark Molecular Cloud in the Local Bubble Revealed via H $_{2}$ Fluorescence

Blakesley Burkhart, Thavisha E. Dharmawardena, Shmuel Bialy +20

A longstanding prediction in interstellar theory posits that significant quantities of molecular gas, crucial for star formation, may be undetected due to being ``dark" in commonly…

The JCMT BISTRO Survey: Evidence for Pinched Magnetic Fields in Quiescent Filaments of NGC 1333

Yasuo Doi, Kohji Tomisaka, Tetsuo Hasegawa +33

We investigate the internal 3D magnetic structure of dense interstellar filaments within NGC 1333 using polarization data at $850 I^¼ m$ from the $B$ -fields In STar-forming…

astro-ph.GA2016

The JCMT Gould Belt Survey: First results from SCUBA-2 observations of the Cepheus Flare Region

Kate Pattle, Derek Ward-Thompson, Jason M. Kirk +57

We present observations of the Cepheus Flare obtained as part of the James Clerk Maxwell Telescope (JCMT) Gould Belt Legacy Survey (GBLS) with the SCUBA-2 instrument. We produce a…

The JCMT BISTRO-2 Survey: Magnetic Fields of the Massive DR21 Filament

Tao-Chung Ching, Keping Qiu, Di Li +154

We present 850 $I^¼$ 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…

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…

The JCMT Nearby Galaxies Legacy Survey: SCUBA-2 observations of nearby galaxies

Kate Pattle, Walter Gear, Christine D. Wilson

We present 850 $I^¼$ m observations of a sample of 8 nearby spiral galaxies, made using the SCUBA-2 camera on the James Clerk Maxwell Telescope (JCMT) as part of the JCMT Nearby Galax…

Observations of magnetic fields surrounding LkH $I^\pm$ 101 taken by the BISTRO survey with JCMT-POL-2

Nguyen Bich Ngoc, Pham Ngoc Diep, Harriet Parsons +146

We report the first high spatial resolution measurement of magnetic fields surrounding LkH $I^\pm$ 101, a part of the Auriga-California molecular cloud. The observations were taken wit…

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 $I^¼$ m dust polarization at a scale of 14 $^{''}$ . The magnetic field exhibits a distinct arc…

Magnetic fields in the Eos Cloud: dynamically important fields in the interface between atomic and molecular gas

Janik Karoly, Kate Pattle, Blakesley Burkhart +3

The recently-discovered Eos molecular cloud, is a CO-dark, low-density cloud located at a distance of approximately 94 pc from the Sun which does not appear to have formed stars at…

The JCMT Gould Belt Survey: First results from the Corona Australis molecular cloud and evidence of variable dust emissivity indices in the Coronet region

Kate Pattle, David Bresnahan, Derek Ward-Thompson +47

We present 450 $I^¼$ m and 850 $I^¼$ m James Clerk Maxwell Telescope (JCMT) observations of the Corona Australis (CrA) molecular cloud taken as part of the JCMT Gould Belt Legacy Survey…

astro-ph.GA2017

First results from BISTRO -- a SCUBA-2 polarimeter survey of the Gould Belt

Derek Ward-Thompson, Kate Pattle, Pierre Bastien +111

We present the first results from the B-fields In STar-forming Region Observations (BISTRO) survey, using the Sub-millimetre Common-User Bolometer Array 2 (SCUBA-2) camera, with it…

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.SR2020

Revealing the Two `Horns' of Taurus with GAIA DR2

Graham D. Fleming, Jason Matthew Kirk, Derek Ward-Thompson +1

We investigate the spatial properties of sources from the GAIA catalogue previously identified as being members of the Taurus star forming region and which appear in the Spitzer ca…

The JCMT Gould Belt Survey Complete Core Catalogue: Core mass function variations between nearby molecular clouds

Kate Pattle, James Di Francesco, Jenny Hatchell +14

We present a catalogue of dense cores identified in James Clerk Maxwell Telescope (JCMT) Gould Belt Survey SCUBA-2 observations of nearby star-forming clouds. We identified 2257 de…

Studying magnetic fields and dust in M17 using polarized thermal dust emission observed by SOFIA/HAWC+

Thuong Duc Hoang, Nguyen Bich Ngoc, Pham Ngoc Diep +12

We report the highest spatial resolution measurement of magnetic fields in M17 using thermal dust polarization taken by SOFIA/HAWC+ centered at 154 $I^¼$ m wavelength. Using the Davi…

The JCMT BISTRO survey: alignment between outflows and magnetic fields in dense cores/clumps

Hsi-Wei Yen, Patrick M. Koch, Charles L. H. Hull +43

We compare the directions of molecular outflows of 62 low-mass Class 0 and I protostars in nearby (<450 pc) star-forming regions with the mean orientations of the magnetic fields o…

astro-ph.SR2022

Effects of magnetic field orientations in dense cores on gas kinematics in protostellar envelopes

Aashish Gupta, Hsi-Wei Yen, Patrick Koch +16

Theoretically, misalignment between the magnetic field and rotational axis in a dense core is considered to be dynamically important in the star formation process, however, extent…

First observations of the magnetic field inside the Pillars of Creation: Results from the BISTRO survey

Kate Pattle, Derek Ward-Thompson, Tetsuo Hasegawa +6

We present the first high-resolution, submillimeter-wavelength polarimetric observations of -- and thus direct observations of the magnetic field morphology within -- the dense gas…

The JCMT BISTRO Survey: The magnetised evolution of star-forming cores in the Ophiuchus Molecular Cloud interpreted using Histograms of Relative Orientation

James P. Perry, Kate Pattle, Doug Johnstone +17

The relationship between B-field orientation and density structure in molecular clouds is often assessed using the Histogram of Relative Orientations (HRO). We perform a plane-of-t…

OMC-1 dust polarisation in ALMA Band 7: Diagnosing grain alignment mechanisms in the vicinity of Orion Source I

Kate Pattle, Shih-Ping Lai, Melvyn Wright +22

We present ALMA Band 7 polarisation observations of the OMC-1 region of the Orion molecular cloud. We find that the polarisation pattern observed in the region is likely to have be…

astro-ph.GA2015

Akari, SCUBA2 and Herschel data of pre-stellar cores

Derek Ward-Thompson, Kate Pattle, Jason Matthew Kirk +2

We show Akari data, Herschel data and data from the SCUBA2 camera on JCMT, of molecular clouds. We focus on pre-stellar cores within the clouds. We present Akari data of the L1147-…

Measuring Magnetic Field Strengths in Galactic Star-forming Regions via the Zeeman Effect with the SKA

Tyler L. Bourke, Tao-Chung Ching, Laura Fissel +14

Magnetic fields thread the interstellar medium from the largest to the smallest scales and play an important role in molecular cloud evolution and star formation. Quantifying this…

Unveiling the importance of magnetic fields in the evolution of dense clumps formed at the waist of bipolar H II regions: a case study on Sh2-201 with JCMT SCUBA-2/POL-2

Chakali Eswaraiah, Di Li, Manash R. Samal +10

We present the properties of magnetic fields (B-fields) in two clumps (clump 1 and clump 2), located at the waist of the bipolar H II region Sh2-201, based on JCMT SCUBA-2/POL-2 ob…

astro-ph.SR2022

The Twisted Magnetic Field of the Protobinary L483

Erin G. Cox, Giles Novak, Sarah Sadavoy +16

We present H-band (1.65 $I^¼$ m) and SOFIA HAWC+ 154 $I^¼$ m polarization observations of the low-mass core L483. Our H-band observations reveal a magnetic field that is overwhelmingly…

The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-Forming Region

Simon CoudÃ©, Pierre Bastien, Martin Houde +118

We present the POL-2 850 $I^¼$ m linear polarization map of the Barnard 1 clump in the Perseus molecular cloud complex from the B-fields In STar-forming Region Observations (BISTRO)…

B-fields in Star-Forming Region Observations (BISTRO): Magnetic Fields in the Filamentary Structures of Serpens Main

Woojin Kwon, Kate Pattle, Sarah Sadavoy +149

We present 850 $I^¼$ m polarimetric observations toward the Serpens Main molecular cloud obtained using the POL-2 polarimeter on the James Clerk Maxwell Telescope (JCMT) as part of t…

Imprints of Stellar Feedback on Magnetic Fields in the Iris Nebula NGC 7023

Ekta Sharma, Kate Pattle, Di Li +5

We present 850 $I^¼$ m polarized continuum observations carried out with the POL-2 polarimeter mounted on the James Clerk Maxwell Telescope (JCMT) towards NGC 7023 located in the Cep…

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 $I^¼$ 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 Observa…

astro-ph.GA2016

An analytical model for the evolution of starless cores I: The constant-mass case

Kate Pattle

We propose an analytical model for the quasistatic evolution of starless cores confined by a constant external pressure, assuming that cores are isothermal and obey a spherically-s…

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 $I^¼$ m polarimetric observations towards the Orion Integral-Shaped Filament (ISF) that covers three portions known as OMC-1, OMC-2,…

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

Tuva KÃ¤llberg, 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 $850 I^¼$ m…

SOFIA/HAWC+ observations of the Crab Nebula: dust properties from polarised emission

JÃ©rÃ©my Chastenet, Ilse De Looze, Brandon S. Hensley +14

Supernova remnants (SNRs) are well-recognised dust producers, but their net dust production rate remains elusive due to uncertainties in grain properties that propagate into observ…

Mapping Magnetic Fields from Clouds to Cores with PRIMAger

Kate Pattle, Janik Karoly, Lorna Buhil Findlay +7

High-resolution, wide-area mapping of magnetic field geometries within molecular clouds, and the star-forming filaments and cores within them, is crucial in order to understand the…

The JCMT BISTRO Survey: Unveiling the Magnetic Fields around Galactic Center

Meng-Zhe Yang, Shih-Ping Lai, Janik Karoly +40

We acquired 450 Î¼m and 850 Î¼m dust continuum polarization observations toward the inner region of the Central Molecular Zone (CMZ) as part of the B-Fields In Star-Forming Region…

The JCMT BISTRO-2 Survey: The Magnetic Field in the Center of the Rosette Molecular Cloud

Vera KÃ¶nyves, Derek Ward-Thompson, Kate Pattle +33

We present the first 850 $I^¼$ m polarization observations in the most active star-forming site of the Rosette Molecular Cloud (RMC, $d \sim$ 1.6 kpc) in the wall of the Rosette Nebula…

astro-ph.SR2024

Magnetic Fields Observed along the E-W Outflow of IRAS 16293-2422

Frankie J. Encalada, Leslie W. Looney, Giles Novak +6

Magnetic fields likely play an important role in the formation of young protostars. Multiscale and multiwavelength dust polarization observations can reveal the inferred magnetic f…

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 $I^¼$ m from the L43 molecular cloud which sits in the Ophiuchus cloud complex. The data were taken using SCUBA-2/POL-2 on t…

Dense gas kinematics and a narrow filament in the Orion A OMC1 region using NH3

Kristina Monsch, Jaime E. Pineda, Hauyu Baobab Liu +12

We present combined observations of the NH3 (J,K) = (1,1) and (2,2) inversion transitions towards OMC1 in Orion A obtained by the Karl G. Jansky Very Large Array (VLA) and the 100…

The HASHTAG project: The First Submillimeter Images of the Andromeda Galaxy from the Ground

Matthew W. L. Smith, Stephen A. Eales, Thomas G. Williams +46

Observing nearby galaxies with submillimeter telescopes on the ground has two major challenges. First, the brightness is significantly reduced at long submillimeter wavelengths com…

The magnetic field in quiescent star-forming filament G16.96+0.27

Qi-Lao Gu, Tie Liu, Zhi-Qiang Shen +20

We present 850 Î¼m thermal dust polarization observations with a resolution of 14.4"(~ 0.13 pc) towards an infrared dark cloud G16.96+0.27 using JCMT/POL-2. The average magnetic fi…

MAJORS II: HCO+& HCN Abundances in W40

RenÃ© Plume, David J. Eden, Malcolm J. Currie +34

We present observations of HCN and HCO $^{+}$ J = $3 - 2$ in the central $42 4^{''} \times 42 4^{''}$ region of the W40 massive star forming region. The observations were taken as part of a p…

Magnetic Fields Under Feedback: A Case Study of the Massive Star-Forming Hub G34.26+0.15

Zacariyya A. Khan, Kate Pattle, Sarah F. Graves

We present 850 $I^¼$ m polarized observations of the molecular cloud G34.26+0.15 taken using the POL-2 polarimeter mounted on the James Clerk Maxwell Telescope (JCMT). G34.26+0.15 is…

Submillimeter and Far-Infrared Polarimetric Observations of Magnetic Fields in Star-Forming Regions

Kate Pattle, Laura Fissel

Observations of star-forming regions by the current and upcoming generation of submillimeter polarimeters will shed new light on the evolution of magnetic fields over the cloud-to-…

The JCMT BISTRO Survey: The Magnetic Fields of the IC 348 Star-forming Region

Youngwoo Choi, Woojin Kwon, Kate Pattle +150

We present 850 $I^¼$ 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)…

Magnetic fields and outflows in the large Bok globule CB 54

Kate Pattle, Shih-Ping Lai, Sarah Sadavoy +6

We have observed the large Bok globule CB 54 in 850 $I^¼$ m polarised light using the POL-2 polarimeter on the James Clerk Maxwell Telescope (JCMT). We find that the magnetic field in…

Magnetic Fields Studies in the Next Decade: EAO Submillimetre Futures White Paper Series, 2019

Ray S. Furuya, Kate Pattle, Simon CoudÃ© +7

Magnetic fields are ubiquitous in our Universe, but remain poorly understood in many branches of astrophysics. A key tool for inferring astrophysical magnetic field properties is d…

JCMT POL-2 observations of magnetic fields potentially shaped by outflows in the pre-planetary nebulae CRL 618 and OH231.8+4.2

Kate Pattle, Giorgio Savini

We present the first observations of magnetic fields in pre-planetary nebulae (PPNe) made with the POL-2 polarimeter on the James Clerk Maxwell Telescope (JCMT). We observed the PP…

The JCMT BISTRO Survey: Magnetic Fields Associated with a Network of Filaments in NGC 1333

Yasuo Doi, Tetsuo Hasegawa, Ray S. Furuya +135

We present new observations of the active star-formation region NGC 1333 in the Perseus molecular cloud complex from the James Clerk Maxwell Telescope B-Fields In Star-forming Regi…

The JCMT Gould Belt Survey: SCUBA-2 Data-Reduction Methods and Gaussian Source Recovery Analysis

Helen Kirk, Jennifer Hatchell, Doug Johnstone +17

The JCMT Gould Belt Survey was one of the first Legacy Surveys with the James Clerk Maxwell Telescope in Hawaii, mapping 47 square degrees of nearby (< 500 pc) molecular clouds in…

Magnetic fields in the Horsehead Nebula

Jihye Hwang, Kate Pattle, Harriet Parsons +2

We present the first polarized dust emission measurements of the Horsehead Nebula, obtained using the POL-2 polarimeter on the Submillimetre Common-User Bolometer Array 2 (SCUBA-2)…

Submillimetre observations of the two-component magnetic field in M82

Kate Pattle, Walter K. Gear, Matt Redman +2

We observed the starburst galaxy M82 in 850 $I^¼$ m polarised light with the POL-2 polarimeter on the James Clerk Maxwell Telescope (JCMT). We interpret our observed polarisation geom…

Tracing Cloud Formation and Evolution Through 3D Magnetic Field Mapping

Mehrnoosh Tahani, Laura Fissel, Enrique Lopez Rodriguez +1

We propose to use the unprecedented polarization sensitivity of PRIMA's PRIMAger Polarization Imager and its high resolution in Band 1 (92 $I^¼$ m) to map magnetic fields across two…

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: Magnetic Fields Align with Orbital Structure in the Galactic Center

Janik Karoly, Derek Ward-Thompson, Kate Pattle +29

We present the magnetic field in the dense material of the Central Molecular Zone (CMZ) of the Milky Way, traced in 850 $I^¼$ m polarized dust emission as part of the James Clerk Max…

The JCMT BISTRO-3 Survey: Variation of magnetic field orientations on parsec and sub-parsec scales in the massive star-forming region G28.34+0.06

Jihye Hwang, Kate Pattle, Chang Won Lee +35

Magnetic fields play a significant role in star-forming processes on core to clump scales. We investigate magnetic field orientations and strengths in the massive star-forming clum…

Relative Alignments Between Magnetic Fields, Velocity Gradients, and Dust Emission Gradients in NGC 1333

Michael Chun-Yuan Chen, Laura M. Fissel, Sarah I. Sadavoy +23

Magnetic fields play an important role in shaping and regulating star formation in molecular clouds. Here, we present one of the first studies examining the relative orientations b…

Magnetic fields of the starless core L 1512

Sheng-Jun Lin, Shih-Ping Lai, Kate Pattle +6

We present JCMT POL-2 850 um dust polarization observations and Mimir H band stellar polarization observations toward the starless core L1512. We detect the highly-ordered core-sca…

The JCMT BISTRO Survey: The Distribution of Magnetic Field Strengths towards the OMC-1 Region

Jihye Hwang, Jongsoo Kim, Kate Pattle +34

Measurement of magnetic field strengths in a molecular cloud is essential for determining the criticality of magnetic support against gravitational collapse. In this paper, as part…

A First Look at BISTRO Observations of The $I ¨ $ Oph-A core

Jungmi Kwon, Yasuo Doi, Motohide Tamura +119

We present 850 $I^¼$ m imaging polarimetry data of the $I ¨ $ Oph-A core taken with the Submillimeter Common-User Bolometer Array-2 (SCUBA-2) and its polarimeter (POL-2), as part of ou…

astro-ph.GA2017

The JCMT BISTRO Survey: The magnetic field strength in the Orion A filament

Kate Pattle, Derek Ward-Thompson, David Berry +27

We determine the magnetic field strength in the OMC 1 region of the Orion A filament via a new implementation of the Chandrasekhar-Fermi method using observations performed as part…

Revealing the diverse magnetic field morphologies in Taurus dense cores with sensitive sub-millimeter polarimetry

Chakali Eswaraiah, Di Li, Ray S. Furuya +142

We have obtained sensitive dust continuum polarization observations at 850 $I^¼$ m in the B213 region of Taurus using POL-2 on SCUBA-2 at the James Clerk Maxwell Telescope (JCMT), as…

Formation of the Hub-Filament System G33.92+0.11: Local Interplay between Gravity, Velocity, and Magnetic Field

Jia-Wei Wang, Patrick M. Koch, Roberto GalvÃ¡n-Madrid +4

The formation of filaments in molecular clouds is an important process in star formation. Hub-filament systems (HFSs) are a transition stage connecting parsec-scale filaments and p…

The JCMT Gould Belt Survey: radiative heating by OB stars

Damian Rumble, Jennifer Hatchell, Helen Kirk +1

Radiative feedback can influence subsequent star formation. We quantify the heating from OB stars in the local star-forming regions in the JCMT Gould Belt survey. Dust temperatures…

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…

Magnetic fields in star formation: from clouds to cores

Kate Pattle, Laura Fissel, Mehrnoosh Tahani +2

In this chapter we review recent advances in understanding the roles that magnetic fields play throughout the star formation process, gained through observations and simulations of…

The JCMT BISTRO Survey: An 850/450 $I^¼$ m Polarization Study of NGC 2071IR in OrionB

A-Ran Lyo, Jongsoo Kim, Sarah Sadavoy +143

We present the results of simultaneous 450 $I^¼$ m and 850 $I^¼$ m polarization observations toward the massive star forming region NGC 2071IR, a target of the BISTRO (B-fields in Star…

astro-ph.IM2024

AtLAST Science Overview Report

Mark Booth, Pamela Klaassen, Claudia Cicone +81

Submillimeter and millimeter wavelengths provide a unique view of the Universe, from the gas and dust that fills and surrounds galaxies to the chromosphere of our own Sun. Current…

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 ( $\sim 0. 3^{''}$ , 870 au) map of the…

The JCMT BISTRO Survey: The Magnetic Field In The Starless Core $I ¨ $ Ophiuchus C

Junhao Liu, Keping Qiu, David Berry +128

We report 850~ $I^¼$ m dust polarization observations of a low-mass ( $\sim$ 12 $M_{⊙}$ ) starless core in the $I ¨ $ Ophiuchus cloud, Ophiuchus C, made with the POL-2 instrument on th…

Fragmenting Filaments and Evolving Cores -- Insights from Dust Polarisation Study of a filament in Northern Orion B

Kshitiz K. Mallick, Doris Arzoumanian, Satoko Takahashi +5

We present an analysis of polarised dust emission at 850 micron for a parsec long filament in the northern part of the Orion B molecular cloud. The region was observed by the JCMT…

astro-ph.SR2024

Magnetic Fields in Massive Star-forming Regions (MagMaR) IV: Tracing the Magnetic Fields in the O-type protostellar system IRAS 16547 $-$ 4247

Luis A. Zapata, Manuel FernÃ¡ndez-LÃ³pez, Patricio Sanhueza +24

The formation of the massive stars, and in particular, the role that the magnetic fields play in their early evolutionary phase is still far from being completely understood. Here,…

astro-ph.GA2014

The JCMT Legacy Survey of the Gould Belt: a molecular line study of the Ophiuchus molecular cloud

Glenn J. White, Emily Drabek-Maunder, Erik Rosolowsky +17

CO, $^{13}$ CO and C $^{18}$ O $J$ = 3--2 observations are presented of the Ophiuchus molecular cloud. The $^{13}$ CO and C $^{18}$ O emission is dominated by the Oph A clump, and…

JCMT POL-2 and BISTRO Survey observations of magnetic fields in the L1689 molecular cloud

Kate Pattle, Shih-Ping Lai, James Di Francesco +26

We present 850 $I^¼$ m polarization observations of the L1689 molecular cloud, part of the nearby Ophiuchus molecular cloud complex, taken with the POL-2 polarimeter on the James Cler…