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The Origin of Radio Scintillation In the Local Interstellar Medium
Jeffrey L. Linsky, Barney J. Rickett, Seth Redfield
We study three quasar radio sources (B1257-326, B1519-273, and J1819+385) that show large amplitude intraday and annual scintillation variability produced by the Earth's motion rel…
Dependence of Heliospheric Lyman-alpha Absorption on the Interstellar Magnetic Field
Brian E. Wood, Vladislav V. Izmodenov, Jeffrey L. Linsky +1
We use newly developed 3D kinetic MHD models of the heliosphere to predict heliospheric H I Lyman-alpha absorption for various lines of sight. These predictions are compared with a…
Lyman-alpha Absorption from Heliosheath Neutrals
Brian E. Wood, Vladislav V. Izmodenov, Jeffrey L. Linsky +1
We assess what information HST observations of stellar Ly-alpha lines can provide on the heliosheath, the region of the heliosphere between the termination shock and heliopause. To…
Chandra Observations of the Eagle Nebula. I. Embedded Young Stellar Objects near the Pillars of Creation
Jeffrey L. Linsky, Marc Gagne, Anna Mytyk +2
We present and analyze the first high-resolution X-ray images ever obtained of the Eagle Nebula star-forming region. On 2001 July 30 the Chandra X-ray Observatory obtained a 78 ks…
The Origins of Fluorescent H2 Emission From T Tauri~Stars
Gregory J. Herczeg, Jeffrey L. Linsky, Frederick M. Walter +2
We survey fluorescent H2 emission in HST/STIS spectra of the classical T Tauri stars (CTTSs) TW Hya, DF Tau, RU Lupi, T Tau, and DG Tau, and the weak-lined T Tauri star (WTTS) V836…
Coronal Emission Measures and Abundances for Moderately Active K Dwarfs Observed by Chandra
Brian E. Wood, Jeffrey L. Linsky
We have used Chandra to resolve the nearby 70 Oph (K0 V+K5 V) and 36 Oph (K1 V+K1 V) binary systems for the first time in X-rays. The LETG/HRC-S spectra of all four of these stars…