Results 11 to 20 of about 988 (180)

On the 3D Curvature and Dynamics of the Musca Filament

open access: yesThe Astrophysical Journal, 2023
Filaments are ubiquitous in the interstellar medium, yet their formation and evolution remain the topic of intense debate. In order to obtain a more comprehensive view of the 3D morphology and evolution of the Musca filament, we model the C ^18 O(2-1 ...
Aidan Kaminsky   +3 more
doaj   +1 more source

Turbulent amplification of interstellar magnetic fields [PDF]

open access: yesSymposium - International Astronomical Union, 1991
We show that the radiative cooling properties of the interstellar gas lead naturally to a scaling law for the magnetic field of the form B ∝ n 1/2 , if the magnetic field is amplified by a ...
openaire   +1 more source

THE INTERSTELLAR MAGNETIC FIELD CLOSE TO THE SUN. II. [PDF]

open access: yesThe Astrophysical Journal, 2012
A key indicator of the galactic environment of the Sun is provided by the magnetic field in the interstellar medium (ISM), which influences the shape of the heliosphere. The direction of the nearby interstellar magnetic field (ISMF) is determined from starlight polarized in the ISM.
Frisch, P.C.   +11 more
openaire   +2 more sources

Interstellar Polarization Survey. II. General Interstellar Medium

open access: yesThe Astronomical Journal, 2023
Magnetic fields permeate the entire Galaxy and are essential to, for example, the regulation of several stages of the star formation process and cosmic-ray transportation.
M. J. F. Versteeg   +6 more
doaj   +1 more source

Magnetic Fields in Interstellar Masers [PDF]

open access: yesSymposium - International Astronomical Union, 1990
Zeeman splitting in the spectra of molecular masers that arise in the envelopes of newly formed stars (called interstellar masers) offers a method of estimating the magnetic field in these dense regions (106–1011 cm−3). The magnetic field strengths in regions of OH and H2O masers scale as the square root of the density when compared to the density and ...
openaire   +1 more source

Magnetic Field of Molecular Gas Measured with the Velocity Gradient Technique. II. Curved Magnetic Field in kpc-scale Bubble of NGC 628

open access: yesThe Astrophysical Journal
We report the detection of the ordered alignment between the magnetic field and kpc-scale bubbles in the nearby spiral galaxy, NGC 628. Applying the Velocity Gradient Technique on CO spectroscopic data from the ALMA-PHANGS, the magnetic field of NGC 628 ...
Mengke Zhao   +11 more
doaj   +1 more source

Obtaining the Strength of the Magnetic Field from E- and B-Modes of Dust Polarization

open access: yesThe Astrophysical Journal, 2023
We perform numerical simulations of supersonic magnetohydrodynamic (MHD) turbulence and calculate Fourier power spectra of E - and B -modes arising from dust polarization. We pay close attention to the ratio of E -mode to B -mode spectra (a.k.a.
Jungyeon Cho
doaj   +1 more source

Clathrate hydrate crystallization

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Clathrate hydrate crystallization has been an area of interest to chemical engineers from the point of view of crystal structure, thermophysical properties, phase equilibria, kinetics, industrial applications, and environmental (climate change) implications.
Peter Englezos
wiley   +1 more source

SIMPLIFI—Study of Interstellar Magnetic Polarization: A Legacy Investigation of Filaments. I. Magnetically Guided Accretion onto the DR21 Ridge

open access: yesThe Astrophysical Journal
We present first results from SIMPLIFI (Study of Interstellar Magnetic Polarization: a Legacy Investigation of Filaments), a SOFIA/HAWC+ 214  μ m polarimetric survey of Galactic molecular cloud filaments.
Thushara G. S. Pillai   +17 more
doaj   +1 more source

Energy Landscapes in Chemical Reactions and Transport

open access: yesChemPhysChem, Volume 26, Issue 6, March 15, 2025.
Kinetics/dynamics of chemical reactivity and transport of chemical species in a solid are both determined by the energy landscape in which they take place. Discussing common grounds but also distinct differences may help in advancing the understanding in both fields.
Karl‐Michael Weitzel
wiley   +1 more source

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