Results 11 to 20 of about 372 (130)

Interstellar Magnetic Field [PDF]

open access: yesNature, 1968
Roger and Shuter1 have pointed out that the recent measurement (Smith2) of the interstellar magnetic field from the Faraday rotation of the plane polarized radio waves from the pulsar CP 0950 may be interpreted as a combination of ionospheric and interstellar rotation.
R. S. ROGER, W. L. H. SHUTER
openaire   +2 more sources

Magnetic fields and UHECR propagation [PDF]

open access: yesEPJ Web of Conferences, 2023
I review the main observational tools used to detect and measure magnetic fields in the interstellar medium of our Galaxy (considering both the Galactic disk and the Galactic halo), in the interstellar medium of external galaxies, and in the ...
Ferrière Katia
doaj   +1 more source

A Large Magnetic Hump in the VLISM Observed by Voyager 1 in 2020–2022

open access: yesThe Astrophysical Journal, 2023
Voyager 1 has been moving through the very local interstellar medium (VLISM) for approximately one solar cycle, from 122.58 au on 2012/DOY 238 (August 25) to 158.5 au on 2023.0. Previously, an abrupt increase (“jump”) in the magnetic field strength B and
L. F. Burlaga   +5 more
doaj   +1 more source

SOFIA Observations of 30 Doradus. II. Magnetic Fields and Large-scale Gas Kinematics

open access: yesThe Astrophysical Journal, 2023
The heart of the Large Magellanic Cloud, 30 Doradus, is a complex region with a clear core-halo structure. Feedback from the stellar cluster R136 has been shown to be the main source of energy creating multiple parsec-scale expanding-shells in the outer ...
Le Ngoc Tram   +15 more
doaj   +1 more source

Magnetic Misalignment of Interstellar Dust Filaments

open access: yesThe Astrophysical Journal, 2023
We present evidence for scale-independent misalignment of interstellar dust filaments and magnetic fields. We estimate the misalignment by comparing millimeter-wave dust-polarization measurements from Planck with filamentary structures identified in ...
Ari J. Cukierman   +2 more
doaj   +1 more source

Plasmoid Instability in the Multiphase Interstellar Medium

open access: yesThe Astrophysical Journal Letters, 2023
The processes controlling the complex clump structure, phase distribution, and magnetic field geometry that develop across a broad range of scales in the turbulent interstellar medium (ISM) remain unclear.
Drummond B. Fielding   +2 more
doaj   +1 more source

The Orientation of the Local Interstellar Magnetic Field [PDF]

open access: yesScience, 2007
The orientation of the local interstellar magnetic field introduces asymmetries in the heliosphere that affect the location of heliospheric radio emissions and the streaming direction of ions from the termination shock of the solar wind. We combined observations of radio emissions and energetic particle streaming with extensive three-dimensional ...
Opher, M., Stone, E. C., Gombosi, T. I.
openaire   +4 more sources

Science Opportunities for IMAP-Lo Observations of Interstellar Neutral Helium, Neon, and Oxygen during a Maximum of Solar Activity

open access: yesThe Astrophysical Journal Supplement Series, 2023
Direct-sampling observations of interstellar neutral (ISN) species and their secondary populations give information about the physical state of the local interstellar medium and processes occurring in the outer heliosheath.
M. A. Kubiak   +5 more
doaj   +1 more source

Three-dimensional magnetic fields of molecular clouds

open access: yesFrontiers in Astronomy and Space Sciences, 2022
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.
Mehrnoosh Tahani, Mehrnoosh Tahani
doaj   +1 more source

TRIANGULATION OF THE INTERSTELLAR MAGNETIC FIELD [PDF]

open access: yesThe Astrophysical Journal, 2015
Determining the direction of the local interstellar magnetic field (LISMF) is important for understanding the heliosphere's global structure, the properties of the interstellar medium, and the propagation of cosmic rays in the local galactic medium. Measurements of interstellar neutral atoms by Ulysses for He and by SOHO/SWAN for H provided some of the
N. A. Schwadron   +4 more
openaire   +2 more sources

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