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34 papers · 2 filters
Acceleration of Small Dust Grains due to Charge Fluctuations
Thiem Hoang, A. Lazarian
We consider the acceleration of very small dust grains including Polycyclic Aromatic Hydrocarbons (PAHs) arising from the electrostatic interactions of dust grains that have charge…
Evidence for Environmental Changes in the Submillimeter Dust Opacity
Peter G. Martin, Arabindo Roy, Sylvain Bontemps +25
The submillimeter opacity of dust in the diffuse Galactic interstellar medium (ISM) has been quantified using a pixel-by-pixel correlation of images of continuum emission with a pr…
Refractive Convergent Plasma Lenses explain ESE and pulsar scintillation
Ue-Li Pen, Lindsay King
We propose convergent plasma lenses, possibly from current sheets, as a generic solution to strong interstellar scattering. These lenses resolve the overpressure problem by geometr…
Spectroscopic Confirmation of the Dragonfish Association: The Galaxy's Most Luminosity OB Association
Mubdi Rahman, Dae-Sik Moon, Christopher D. Matzner
Young OB associations with masses greater than 10 M$_{\sun}$ have been inferred to exist in the Galaxy but have largely evaded detection. Recently, a candidate OB association h…
Herschel Observations of a Potential Core Forming Clump: Perseus B1-E
S. I. Sadavoy, J. Di Francesco, Ph. Andre +17
We present continuum observations of the Perseus B1-E region from the Herschel Gould Belt Survey. These Herschel data reveal a loose grouping of substructures at 160 - 500 micron n…
An improved map of the Galactic Faraday sky
N. Oppermann, H. Junklewitz, G. Robbers +28
We aim to summarize the current state of knowledge regarding Galactic Faraday rotation in an all-sky map of the Galactic Faraday depth. For this we have assembled the most extensiv…