Publications (35)
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)…
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 Oph-A core
Jungmi Kwon, Yasuo Doi, Motohide Tamura +119
We present 850 m imaging polarimetry data of the Oph-A core taken with the Submillimeter Common-User Bolometer Array-2 (SCUBA-2) and its polarimeter (POL-2), as part of ou…
Spectrophotometric properties of pre-main sequence stars: the Epsilon Chamaeleontis cluster
A-Ran Lyo, Warrick A. Lawson, M. S. Bessell
We present a study of flux-calibrated low-resolution optical spectroscopy of ten stars belonging to eight systems in the ~ 5 Myr-old Epsilon Chamaeleontis (Eps Cha) pre-main-sequen…
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…
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 m in the B213 region of Taurus using POL-2 on SCUBA-2 at the James Clerk Maxwell Telescope (JCMT), as…
MagMar III -- Resisting the Pressure, Is the Magnetic Field Overwhelmed in NGC6334I?
Paulo C. Cortes, Josep M. Girart, Patricio Sanhueza +23
We report on ALMA observations of polarized dust emission at 1.2 mm from NGC6334I, a source known for its significant flux outbursts. Between five months, our data show no substant…
The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-Forming Region
Simon Coudé, Pierre Bastien, Martin Houde +118
We present the POL-2 850 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 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…
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 Observa…
The JCMT BISTRO Survey: An 850/450m Polarization Study of NGC 2071IR in OrionB
A-Ran Lyo, Jongsoo Kim, Sarah Sadavoy +143
We present the results of simultaneous 450 m and 850 m polarization observations toward the massive star forming region NGC 2071IR, a target of the BISTRO (B-fields in Star…
Population and dynamical state of the eta Chamaeleontis sparse young open cluster
A-Ran Lyo, Warrick A. Lawson, Eric D. Feigelson +1
We report new results in our continuing study of the unique compact (1 pc extent), nearby (d = 97 pc), young (t = 9 Myr) stellar cluster dominated by the B9 star eta Chamaeleontis.…
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,…
The JCMT BISTRO Survey: The Magnetic Field In The Starless Core Ophiuchus C
Junhao Liu, Keping Qiu, David Berry +128
We report 850~m dust polarization observations of a low-mass (12 ) starless core in the Ophiuchus cloud, Ophiuchus C, made with the POL-2 instrument on th…
Infrared study of the eta Chamaeleontis cluster and the longevity of circumstellar discs
A-Ran Lyo, Warrick A. Lawson, Eric M. Mamajek +3
We have analyzed JHKL observations of the stellar population of the ~9 Myr-old eta Chamaeleontis cluster. Using infrared (IR) colour-colour and colour-excess diagrams, we find the…
Magnetic Fields in Massive Star-forming Regions (MagMaR) IV: Tracing the Magnetic Fields in the O-type protostellar system IRAS 165474247
Luis A. Zapata, Manuel Fernández-López, 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,…
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 t…
High-resolution ALMA Study of the Proto-Brown-Dwarf Candidate L328-IRS
Chang Won Lee, Gwanjeong Kim, Philip C. Myers +6
This paper presents our observational attempts to precisely measure the central mass of a proto-brown dwarf candidate, L328-IRS, in order to investigate whether L328-IRS is in the…
How do stars gain their mass? A JCMT/SCUBA-2 Transient Survey of Protostars in Nearby Star Forming Regions
Gregory J. Herczeg, Doug Johnstone, Steve Mairs +55
Most protostars have luminosities that are fainter than expected from steady accretion over the protostellar lifetime. The solution to this problem may lie in episodic mass accreti…
The First Very Long Baseline Interferometry Image of 44 GHz Methanol Maser with the KVN and VERA Array (KaVA)
Naoko Matsumoto, Tomoya Hirota, Koichiro Sugiyama +58
We have carried out the first very long baseline interferometry (VLBI) imaging of 44 GHz class I methanol maser (7_{0}-6_{1}A^{+}) associated with a millimeter core MM2 in a massiv…
Inner warm disk of ESO H 279A revealed by NA I and CO overtone emission lines
A-Ran Lyo, Jongsoo Kim, Jae-Joon Lee +20
We present analysis of near-infrared, high-resolution spectroscopy towards the Flat-spectrum YSO (Young Stellar Object) ESO H 279a (1.5 solar mass) in the Serpens star forming…
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)…
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…
A deep photometric survey of the eta Chamaeleontis cluster down to the brown dwarf - planet boundary
A-Ran Lyo, Inseok Song, Warrick A. Lawson +2
We report the outcome of the deep optical/infrared photometric survey of the central region (33 X 33 arcmin or 0.9 pc^2) of the eta Chamaeleontis pre-main sequence star cluster. Th…
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…
Unbiased water and methanol maser surveys of NGC 1333
A-Ran Lyo, Jongsoo Kim, Do-Young Byun +1
We present the results of unbiased 22 GHz H2O water and 44 GHz class I CH3OH methanol maser surveys in the central 7x10 arcmin area of NGC 1333 and two additional mapping observati…
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 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 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…
Millimeter Observations of the Transition Disk around HD135344B (SAO 206462)
A-Ran Lyo, Nagayoshi Ohashi, Chunhua Qi +2
We present \sim1" resolution 1.3 millimeter dust continuum and spectral line (12CO and 13CO J=2-1) observations of the transitional disk system HD 135344B obtained with the Submill…
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 from the -fields In STar-forming…
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…
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…
Observations of magnetic fields surrounding LkH 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 101, a part of the Auriga-California molecular cloud. The observations were taken wit…