Three-dimensional magnetic fields of molecular clouds

To investigate the role of magnetic fields in the evolution of the interstellar medium, formation and evolution of molecular clouds, and ultimately the formation of stars, their three-dimensional (3D) magnetic fields must be probed. Observing only one component of magnetic fields (along the line of...

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Main Author: Mehrnoosh Tahani
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-08-01
Series:Frontiers in Astronomy and Space Sciences
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fspas.2022.940027/full
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author Mehrnoosh Tahani
Mehrnoosh Tahani
author_facet Mehrnoosh Tahani
Mehrnoosh Tahani
author_sort Mehrnoosh Tahani
collection DOAJ
description To investigate the role of magnetic fields in the evolution of the interstellar medium, formation and evolution of molecular clouds, and ultimately the formation of stars, their three-dimensional (3D) magnetic fields must be probed. Observing only one component of magnetic fields (along the line of sight or parallel to the plane of the sky) is insufficient to identify these 3D vectors. In recent years, novel techniques for probing each of these two components and integrating them with additional data (from observations or models), such as Galactic magnetic fields or magnetic field inclination angles, have been developed, in order to infer 3D magnetic fields. We review and discuss these advancements, their applications, and their future direction.
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spelling doaj.art-13053a5fffda47c287c9eed3db22e2472022-12-22T04:02:16ZengFrontiers Media S.A.Frontiers in Astronomy and Space Sciences2296-987X2022-08-01910.3389/fspas.2022.940027940027Three-dimensional magnetic fields of molecular cloudsMehrnoosh Tahani0Mehrnoosh Tahani1Covington Fellow: Dominion Radio Astrophysical Observatory, Herzberg Astronomy and Astrophysics Research Centre, National Research Council Canada, Penticton, BC, CanadaBanting and KIPAC Fellow: Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), Stanford University, Stanford, CA, United StatesTo investigate the role of magnetic fields in the evolution of the interstellar medium, formation and evolution of molecular clouds, and ultimately the formation of stars, their three-dimensional (3D) magnetic fields must be probed. Observing only one component of magnetic fields (along the line of sight or parallel to the plane of the sky) is insufficient to identify these 3D vectors. In recent years, novel techniques for probing each of these two components and integrating them with additional data (from observations or models), such as Galactic magnetic fields or magnetic field inclination angles, have been developed, in order to infer 3D magnetic fields. We review and discuss these advancements, their applications, and their future direction.https://www.frontiersin.org/articles/10.3389/fspas.2022.940027/fullmagnetic fieldsmolecular clouds-stars: formationinsterstellar mediumdust polarizationfaraday rotationstarlight polarization
spellingShingle Mehrnoosh Tahani
Mehrnoosh Tahani
Three-dimensional magnetic fields of molecular clouds
Frontiers in Astronomy and Space Sciences
magnetic fields
molecular clouds-stars: formation
insterstellar medium
dust polarization
faraday rotation
starlight polarization
title Three-dimensional magnetic fields of molecular clouds
title_full Three-dimensional magnetic fields of molecular clouds
title_fullStr Three-dimensional magnetic fields of molecular clouds
title_full_unstemmed Three-dimensional magnetic fields of molecular clouds
title_short Three-dimensional magnetic fields of molecular clouds
title_sort three dimensional magnetic fields of molecular clouds
topic magnetic fields
molecular clouds-stars: formation
insterstellar medium
dust polarization
faraday rotation
starlight polarization
url https://www.frontiersin.org/articles/10.3389/fspas.2022.940027/full
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