Search Results - "Mathis, John S."

Monte Carlo photoionization simulations of diffuse ionized gas by Wood, Kenneth, Mathis, John S.

“…ABSTRACT We demonstrate that the observed increase of some nebular line ratios with height above the midplane in the diffuse ionized gas (DIG) in the Milky Way…”
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The Warm Ionized Medium in the Milky Way and Other Galaxies by Mathis, John S

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GLIMPSE. I. An SIRTF Legacy Project to Map the Inner Galaxy by Benjamin, Robert A., Churchwell, E., Babler, Brian L., Bania, T. M., Clemens, Dan P., Cohen, Martin, Dickey, John M., Indebetouw, Rémy, Jackson, James M., Kobulnicky, Henry A., Lazarian, Alex, Marston, A. P., Mathis, John S., Meade, Marilyn R., Seager, Sara, Stolovy, S. R., Watson, C., Whitney, Barbara A., Wolff, Michael J., Wolfire, Mark G.

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Properties of interstellar dust by Mathis, John S.

“…The reference abundance of the interstellar medium (the abundance of elements in gas + dust), until recently assumed to be solar, is discussed because of its…”
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Dust Grain Size Distributions and the Abundance of Refractory Elements in the Diffuse Interstellar Medium by O'Donnell, James E, Mathis, John S

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Dust Models with Tight Abundance Constraints by Mathis, John S

“…Abstract only…”
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A three-dimensional Monte Carlo photoionization code for modelling diffuse ionized gas by Wood, Kenneth, Mathis, John S., Ercolano, Barbara

“…ABSTRACT We have developed a three‐dimensional Monte Carlo photoionization code tailored for the study of Galactic H ii regions and the percolation of ionizing…”
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Interstellar Dust and Extinction by Mathis, John S

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The effects of clumping on derived abundances in H ii regions by Mathis, John S., Wood, Kenneth

“…ABSTRACT We have compared Monte Carlo photoionization models of H ii regions with a uniform density distribution with models with the same central stars and…”
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Estimating the Porosity of the Interstellar Medium from Three-dimensional Photoionization Modeling of H II Regions by Wood, Kenneth, Haffner, L. M, Reynolds, R. J, Mathis, John S, Madsen, G

“…We apply our three-dimensional photoionization code to model Wisconsin Ha Mapper observations of the H II region surrounding the O9.5 V star Oph. Our models…”
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FUSE Measurements of Far-Ultraviolet Extinction. II. Magellanic Cloud Sight Lines by Cartledge, Stefan I. B, Clayton, Geoffrey C, Gordon, Karl D, Rachford, Brian L, Draine, B. T, Martin, P. G, Mathis, John S, Misselt, K. A, Sofia, Ulysses J, Whittet, D. C. B, Wolff, Michael J

“…We present an extinction analysis of nine reddened/comparison star pairs in the Large and Small Magellanic Clouds (LMC and SMC) based on Far-Ultraviolet…”
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Absolute diffuse calibration of IRAC through mid-infrared and radio study of H ii regions by Cohen, Martin, Green, Anne J., Meade, Marilyn R., Babler, Brian, Indebetouw, Rémy, Whitney, Barbara A., Watson, Christer, Wolfire, Mark, Wolff, Mike J., Mathis, John S., Churchwell, Edward B.

“…We investigate the diffuse absolute calibration of the Infrared Array Camera (IRAC) on the Spitzer Space Telescope (SST) at 8.0 μm using a sample of 43 H ii…”
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The Near-Infrared Interstellar Silicate Bands and Grain Theories by Mathis, John S

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Calculating Cross Sections of Composite Interstellar Grains by Voshchinnikov, Nikolai V, Mathis, John S

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Can Reflection from Grains Diagnose the Albedo? by Mathis, John S, Whitney, Barbara A, Wood, Kenneth

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FUSE Measurements of Far-Ultraviolet Extinction. I. Galactic Sight Lines by Sofia, Ulysses J, Wolff, Michael J, Rachford, Brian, Gordon, Karl D, Clayton, Geoffrey C, Cartledge, Stefan I. B, Martin, Peter G, Draine, Bruce T, Mathis, John S, Snow, Theodore P, Whittet, Douglas C. B

“…We present extinction curves that include data down to far-ultraviolet wavelengths (FUV; 1050-1200 AA) for nine Galactic sight lines. The FUV extinction was…”
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G313.3+00.3: A New Planetary Nebula Discovered by the Australia Telescope Compact Array and the Spitzer Space Telescope by Cohen, Martin, Green, Anne J, Roberts, Mallory S. E, Meade, Marilyn R, Babler, Brian, Indebetouw, Rémy, Whitney, Barbara A, Watson, Christer, Wolfire, Mark, Wolff, Mike J, Mathis, John S, Churchwell, Edward B

“…We present a new planetary nebula, first identified in images from the Australia Telescope Compact Array, although not recognized at that time. Recent…”
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Hubble Space Telescope Observations of the Dusty Small Magellanic Cloud H II Region N88A by Kurt, C. M, Dufour, R. J, Garnett, D. R, Skillman, E. D, Mathis, John S, Peimbert, M, Torres-Peimbert, S, Ruiz, M.-T

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Temperature and Density Fluctuations in Planetary Nebulae by Mathis, John S, Torres-Peimbert, Silvia, Peimbert, Manuel

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Observations of the [O III] λ4931/λ4959 Line Ratio and O+2 Abundances in Ionized Nebulae by Mathis, John S, Liu, X.-W

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