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Gravity and Rotatio...
Gravity and Rotation Drag the Magnetic Field in High-mass Star Formation
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- Beuther, Henrik (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Soler, Juan D. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Linz, Hendrik (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Henning, Thomas (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Gieser, Caroline (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Kuiper, Rolf (author)
- Eberhard Karls Universität Tübingen,Eberhard Karls University of Tübingen
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- Vlemmings, Wouter, 1974 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Hennebelle, Patrick (author)
- Paris Diderot University, France
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Feng, Siyi (author)
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- Smith, Rowan (author)
- University of Manchester
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- Ahmadi, Aida (author)
- Universiteit Leiden (UL),Leiden University (UL)
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Max Planck Gesellschaft zur Förderung der Wissenschaften eV. (MPG) Eberhard Karls Universität Tübingen (creator_code:org_t)
- 2020-12-01
- 2020
- English.
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In: Astrophysical Journal. - : American Astronomical Society. - 1538-4357 .- 0004-637X. ; 904:2
- Related links:
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https://doi.org/10.3...
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Abstract
Subject headings
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- The formation of hot stars out of the cold interstellar medium lies at the heart of astrophysical research. Understanding the importance of magnetic fields during star formation remains a major challenge. With the advent of the Atacama Large Millimeter Array, the potential to study magnetic fields by polarization observations has tremendously progressed. However, the major question remains how much magnetic fields shape the star formation process or whether gravity is largely dominating. Here, we show that for the high-mass star-forming region G327.3 the magnetic field morphology appears to be dominantly shaped by the gravitational contraction of the central massive gas core where the star formation proceeds. We find that in the outer parts of the region, the magnetic field is directed toward the gravitational center of the region. Filamentary structures feeding the central core exhibit U-shaped magnetic field morphologies directed toward the gravitational center as well, again showing the gravitational drag toward the center. The inner part then shows rotational signatures, potentially associated with an embedded disk, and there the magnetic field morphology appears to be rotationally dominated. Hence, our results demonstrate that for this region gravity and rotation are dominating the dynamics and shaping the magnetic field morphology.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Annan geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Other Earth and Related Environmental Sciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- Interstellar magnetic fields
- Interstellar medium
- Collapsing clouds
- Dynamical evolution
- Star formation
- Interstellar dynamics
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Beuther, Henrik
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Soler, Juan D.
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Linz, Hendrik
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Henning, Thomas
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Gieser, Caroline
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Kuiper, Rolf
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show more...
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Vlemmings, Woute ...
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Hennebelle, Patr ...
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Feng, Siyi
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Smith, Rowan
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Ahmadi, Aida
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Other Earth and ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
- Articles in the publication
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Astrophysical Jo ...
- By the university
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Chalmers University of Technology