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Related papers: Density distribution of a dust cloud in three-dime…

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3D tomography of the interstellar dust and gas may be useful in many respects, from the physical and chemical evolution of the ISM itself to foreground decontamination of the CMB, or various studies of the environments of specific objects.…

Astrophysics of Galaxies · Physics 2015-05-18 Jean-Luc Vergely , Bernard Valette , Rosine Lallement , Severine Raimond

The theoretical description of complex (dusty) plasmas requires multiscale concepts that adequately incorporate the correlated interplay of streaming electrons and ions, neutrals, and dust grains. Knowing the effective dust-dust…

Plasma Physics · Physics 2015-04-22 Patrick Ludwig , Wojciech J. Miloch , Hanno Kählert , Michael Bonitz

We present a map of the three-dimensional (3D) distribution of dust in the Orion complex. Orion is the closest site of high-mass star formation, making it an excellent laboratory for studying the interstellar medium and star formation. We…

Astrophysics of Galaxies · Physics 2018-08-15 S. Rezaei Kh. , C. A. L. Bailer-Jones , E. F. Schlafly , M. Fouesneau

Using 3D dust maps and Planck polarized dust emission data, we investigate the influence of the 3D geometry of the nearby interstellar medium (ISM) on the statistics of the dust polarization on large ($80'$) scales. We test recent models…

Astrophysics of Galaxies · Physics 2024-09-04 George Halal , S. E. Clark , Mehrnoosh Tahani

The ionization equation of state (IEOS) for a cloud of the dust particles in the low-pressure gas discharge under microgravity conditions is proposed. IEOS relates pairs of the parameters specific for the charged components of dusty plasma.…

Plasma Physics · Physics 2019-06-13 D. I. Zhukhovitskii

The aim of this study is to examine dust dynamics on a large scale and investigate the coupling of dust with gas fluid in the star formation process. We propose a method for calculating the dust trajectory in a gravitationally collapsing…

Astrophysics of Galaxies · Physics 2022-08-17 Shunta Koga , Yoshihiro Kawasaki , Masahiro N. Machida

The PK-3 Plus laboratory onboard the International Space Station is used to form complex plasma with a liquidlike particle subsystem in metastable state and to observe the propagation of crystallization fronts corresponding to the surfaces…

Plasma Physics · Physics 2019-07-01 D. I. Zhukhovitskii , V. N. Naumkin , V. I. Molotkov , A. M. Lipaev , H. M. Thomas

This article presents two measurement techniques to determine the diameter of a single dust particle during plasma operation. Using long-distance microscopy (LDM), the particle is imaged from outside the plasma chamber. In combination with…

Plasma Physics · Physics 2017-07-25 O. H. Asnaz , H. Jung , F. Greiner , A. Piel

Ion-ion instability is excited due to the counter streaming of ion beams in any plasma system. An experiment has been carried out to observe the ion-ion instability in dusty plasma and in presence of different gas compositions viz., H2, Ar,…

Plasma Physics · Physics 2015-06-26 Arun Sarma , Bornali Sarma , Codrina Ionita , Roman Schrittwieser , Yoshiharu Nakamura

Aims: Highly resolved maps of the local Galactic dust are an important ingredient for sky emission models. In nearly the whole electromagnetic spectrum one can see imprints of dust, many of which originate from dust clouds within 300pc.…

Astrophysics of Galaxies · Physics 2019-10-16 R. H. Leike , T. A. Enßlin

Complex plasmas are interesting systems as the charged dust can self-assemble into different types of ordered structures. To understand the mechanisms which govern the transitions from one type of structure to another, it is necessary to…

A new method called `Configurational Temperature' is introduced in the context of dusty plasma, where the temperature of the dust particles, submerged in the plasma, can be measured directly from the positional information of the individual…

Plasma Physics · Physics 2020-06-24 Rupak Mukherjee , Surabhi Jaiswal , Manish K Shukla , Ammar Hakim , Edward Thomas

Nano and micro meter sized dust particles travelling through the heliosphere at several hundreds of km/s have been repeatedly detected by interplanetary spacecraft. When such fast moving dust particles hit a solid target in space, an…

Plasma Physics · Physics 2012-05-09 F Pantellini , Simone Landi , Arnaud Zaslavsky , Nicole Meyer-Vernet

Collections of micrometer sized solid particles immersed in plamsa are used to mimic many systems from solid state and fluid physics, due to their strong electrostatic interaction, their large inertia, and the fact that they are large…

Plasma Physics · Physics 2009-11-13 V. Land , W. J. Goedheer

All current estimates of the cosmic-ray (CR) ionization rate rely on assessments of the gas density along the probed sight lines. Until now, these have been based on observations of different tracers, with C$_2$ being the most widely used…

Astrophysics of Galaxies · Physics 2024-08-22 M. Obolentseva , A. V. Ivlev , K. Silsbee , D. A. Neufeld , P. Caselli , G. Edenhofer , N. Indriolo , T. G. Bisbas , D. Lomeli

We present a reconstruction of the line-of-sight motions of the local interstellar medium (ISM) based on the combination of a model of the three-dimensional dust density distribution within 1.25 kpc from the Sun and the HI and CO line…

We present a numerical code for continuum radiative transfer that is based on the idea of a `library' describing the relation between the intensity of the local radiation field and the resulting dust emission. With this information and…

Astrophysics · Physics 2009-11-07 M. Juvela , P. Padoan

A variety of experimental techniques for the generation of subsonic/supersonic dust fluid flows and means of measuring such flow velocities are presented. The experiments have been carried out in a $\Pi-$shaped Dusty Plasma Experimental…

Plasma Physics · Physics 2016-11-23 S. Jaiswal , P. Bandyopadhyay , A. Sen

Forming macroscopic solid bodies in circumstellar discs requires local dust concentration levels significantly higher than the mean. Interactions of the dust particles with the gas must serve to augment local particle densities, and…

Earth and Planetary Astrophysics · Physics 2019-02-13 Holly L. Capelo , Jan Molacek , Michiel Lambrechts , John Lawson , Anders Johansen , Jurgen Blum , Eberhard Bodenschatz , Haitao Xu

The path to understanding star formation processes begins with the study of the formation of molecular clouds. The outskirts of these clouds are characterized by low column densities that allow the penetration of ultraviolet radiation,…

Astrophysics of Galaxies · Physics 2021-02-24 L. Beitia-Antero , A. I. Gómez de Castro , J. C. Vallejo