Search Results - "Le Gouellec, V. J. M."
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Modest Dust Settling in the IRAS04302+2247 Class I Protoplanetary Disk
Published in The Astrophysical journal (01-04-2023)“…Abstract We present new Very Large Array observations, between 6.8 and 66 mm, of the edge-on Class I disk IRAS04302+2247. Observations at 6.8 mm and 9.2 mm…”
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JOYS+: link between ice and gas of complex organic molecules. Comparing JWST and ALMA data of two low-mass protostars
Published 29-07-2024“…A&A 690, A205 (2024) A rich inventory of complex organic molecules (COMs) has been observed in high abundances in the gas phase toward Class 0 protostars…”
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Modest dust settling in the IRAS04302+2247 Class I protoplanetary disk
Published 03-02-2023“…We present new VLA observations, between 6.8mm and 66mm, of the edge-on Class~I disk IRAS04302+2247. Observations at 6.8mm and 9.2mm lead to the detection of…”
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The JCMT BISTRO Survey: Multi-wavelength polarimetry of bright regions in NGC 2071 in the far-infrared/submillimetre range, with POL-2 and HAWC
Published 20-09-2022“…Monthly Notices of the Royal Astronomical Society vol. 512 (2022) pp. 1985-2002 Polarized dust emission is a key tracer in the study of interstellar medium and…”
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Outflows, cores and magnetic field orientations in W43-MM1 as seen by ALMA
Published 29-09-2020“…A&A 640, A111 (2020) It has been proposed that the magnetic field, pervasive in the ISM, plays an important role in the process of massive star formation. To…”
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A statistical analysis of dust polarization properties in ALMA observations of Class 0 protostellar cores
Published 15-09-2020“…A&A 644, A11 (2020) Recent observational progress has challenged the dust grain-alignment theories used to explain the polarized dust emission routinely…”
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Synthetic Modelling of Polarized Dust Emission in Intermediate-Mass YSOs: I: Constraining the Role of Iron Inclusions and Inelastic Relaxation on Grain Alignment with ALMA Polarization
Published 14-07-2024“…Iron inclusions embedded inside dust grains play a crucial role in both internal alignment via Barnett relaxation and external alignment via the MAgnetically…”
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JOYS+ study of solid state $^{12}$C/$^{13}$C isotope ratios in protostellar envelopes: Observations of CO and CO$_2$ ice with JWST
Published 25-09-2024“…The carbon isotope ratio is a powerful tool for studying the evolution of stellar systems. Recent detections of CO isotopologues in disks and exoplanet…”
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The Class 0 protostars in Orion: Characterizing the properties of their magnetized envelopes
Published 28-07-2024“…We present a study connecting the physical properties of protostellar envelopes to the morphology of the envelope-scale magnetic field. We use the ALMA…”
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JOYS+: mid-infrared detection of gas-phase SO$_2$ emission in a low-mass protostar. The case of NGC 1333 IRAS2A: hot core or accretion shock?
Published 28-11-2023“…JWST/MIRI has sharpened our infrared eyes toward the star formation process. This paper presents the first mid-infrared detection of gaseous SO$_2$ emission in…”
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JWST Observations of Young protoStars (JOYS+): Detection of icy complex organic molecules and ions. I. CH$_4$, SO$_2$, HCOO$^-$, OCN$^-$, H$_2$CO, HCOOH, CH$_3$CH$_2$OH, CH$_3$CHO, CH$_3$OCHO, CH$_3$COOH
Published 11-12-2023“…Complex organic molecules (COMs) detected in the gas phase are thought to be mostly formed on icy grains, but no unambiguous detection of icy COMs larger than…”
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