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The Homogeneity of Interstellar Krypton in the Galactic Disk
Stefan I. B. Cartledge, David M. Meyer, J. T. Lauroesch
We present an analysis of high resolution HST Space Telescope Imaging Spectrograph (STIS) observations of Kr I 1236 Angstrom absorption in seven sight lines that probe a variety of…
Variable NaI Absorption toward rho Leo : Biased Neutral Formation in the Diffuse Interstellar Medium?
J. T. Lauroesch, David M. Meyer
We present multi-epoch KPNO Coude Feed observations of interstellar NaI and CaII absorption toward the bright star rho Leo. Comparisons of the NaI profiles observed over a period o…
On the Origin of the High-Ionization Intermediate-Velocity Gas Toward HD 14434
David C. Knauth, J. Christopher Howk, Kenneth R. Sembach +2
We present Far Ultraviolet Spectroscopic Explorer and Space Telescope Imaging Spectrograph observations of high-ionization interstellar absorption toward HD 14434 [(l, b) = (135.1,…
Absorption-Line Systems and Galaxies in Front of the Second Brightest Quasar, PHL 1811
Edward B. Jenkins, David V. Bowen, Todd M. Tripp +4
The extraordinarily bright quasar PHL 1811 at a redshift z = 0.192 provides an attractive opportunity to use ultraviolet absorption-line spectroscopy to study the properties of gas…