Search Results - "WHITTET, D. C. B"

Oxygen Depletion in the Interstellar Medium: Implications for Grain Models and the Distribution of Elemental Oxygen by Whittet, D. C. B

“…This paper assesses the implications of a recent discovery that atomic oxygen is being depleted from diffuse interstellar gas at a rate that cannot be…”
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Milky Way Mid-Infrared Spitzer Spectroscopic Extinction Curves: Continuum and Silicate Features by Gordon, Karl D., Misselt, Karl A., Bouwman, Jeroen, Clayton, Geoffrey C., Decleir, Marjorie, Hines, Dean C., Pendleton, Yvonne, Rieke, George, Smith, J. D. T., Whittet, D. C. B.

“…Abstract We measured the mid-infrared (MIR) extinction using Spitzer photometry and spectroscopy (3.6–37 μ m) for a sample of Milky Way sight lines (mostly)…”
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SpeX Near-infrared Spectroscopic Extinction Curves in the Milky Way by Decleir, Marjorie, Gordon, Karl D., Andrews, Jennifer E., Clayton, Geoffrey C., Cushing, Michael C., Misselt, Karl A., Pendleton, Yvonne, Rayner, John, Vacca, William D., Whittet, D. C. B.

“…Abstract Interstellar dust extinction curves provide valuable information about dust properties, including the composition and size of the dust grains, and are…”
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Observational Constraints on Methanol Production in Interstellar and Preplanetary Ices by Whittet, D. C. B, Cook, A. M, Herbst, Eric, Chiar, J. E, Shenoy, S. S

“…Methanol (CH3OH) is thought to be an important link in the chain of chemical evolution that leads from simple diatomic interstellar molecules to complex…”
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The Efficiency of Grain Alignment in Dense Interstellar Clouds: a Reassessment of Constraints from Near-Infrared Polarization by Whittet, D. C. B, Hough, J. H, Lazarian, A, Hoang, Thiem

“…We present the results of a detailed study of interstellar polarization efficiency (as measured by the ratio p lambda / tau lambda ) toward molecular clouds,…”
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Near-Infrared Circular Polarimetry and Correlation Diagrams in the Orion Becklin-Neugebauer/Kleinman-Low Region: Contribution of Dichroic Extinction by Fukue, T, Tamura, M, Kandori, R, Kusakabe, N, Hough, J. H, Lucas, P. W, Bailey, J, Whittet, D. C. B, Nakajima, Y, Hashimoto, J, Nagata, T

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ICE AND DUST IN THE PRESTELLAR DARK CLOUD LYNDS 183: PREPLANETARY MATTER AT THE LOWEST TEMPERATURES by Whittet, D C B, Poteet, C A, CHIAR, J E, Pagani, L, Bajaj, V M, Horne, D, Shenoy, S S, Adamson, A J

“…Dust grains are nucleation centers and catalysts for the growth of icy mantles in quiescent interstellar clouds, the products of which may accumulate into…”
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The Abundance of Carbon Dioxide Ice in the Quiescent Intracloud Medium by Whittet, D. C. B, Shenoy, S. S, Bergin, E. A, Chiar, J. E, Gerakines, P. A, Gibb, E. L, Melnick, G. J, Neufeld, D. A

“…We present new observations with the Infrared Spectrograph on board the Spitzer Space Telescope of the solid-CO sub(2) absorption feature near 15 km in the…”
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Interstellar Extinction and Polarization in the Taurus Dark Clouds: The Optical Properties of Dust near the Diffuse/Dense Cloud Interface by Whittet, D. C. B, Gerakines, P. A, Hough, J. H, Shenoy, S. S

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The Uptake of Interstellar Gaseous CO Into Icy Grain Mantles in a Quiescent Dark Cloud by Whittet, D. C. B, Goldsmith, P. F, Pineda, J. L

“…Data from the Five College Radio Astronomy Observatory CO Mapping Survey of the Taurus molecular cloud are combined with extinction data for a sample of 292…”
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An Inventory of Interstellar Ices toward the Embedded Protostar W33A by Gibb, E. L, Whittet, D. C. B, Schutte, W. A, Boogert, A. C. A, Chiar, J. E, Ehrenfreund, P, Gerakines, P. A, Keane, J. V, Tielens, A. G. G. M, van Dishoeck, E. F, Kerkhof, O

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The Composition and Distribution of Dust along the Line of Sight toward the Galactic Center by Chiar, J. E, Tielens, A. G. G. M, Whittet, D. C. B, Schutte, W. A, Boogert, A. C. A, Lutz, D, van Dishoeck, E. F, Bernstein, M. P

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CHEMICAL AND PHYSICAL CONDITIONS IN MOLECULAR CLOUD CORE DC 000.4–19.5 (SL42) IN CORONA AUSTRALIS by Hardegree-Ullman, E, Harju, J, Juvela, M, Sipila, O, Whittet, D C B, HOTZEL, S

“…Chemical reactions in starless molecular clouds are heavily dependent on interactions between gas phase material and solid phase dust and ices. We have…”
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Chemistry of the Organic-Rich Hot Core G327.3–0.6 by Gibb, E, Nummelin, A, Irvine, W. M, Whittet, D. C. B, Bergman, P

“…We present gas-phase abundances of species found in the organic-rich hot core G327.3-0.6. The data were taken with the Swedish-ESO Submillimetre Telescope…”
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Reddening and the Extinction Law at High Galactic Latitude by Larson, K. A, Whittet, D. C. B

“…We present near-infrared (JHKL) photometry of 103 southern stars located behind translucent interstellar clouds at high Galactic latitude. Our data are…”
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The Role of Polycyclic Aromatic Hydrocarbons in Ultraviolet Extinction. I. Probing Small Molecular Polycyclic Aromatic Hydrocarbons by Clayton, Geoffrey C, Gordon, Karl D, Salama, F, Allamandola, L. J, Martin, Peter G, Snow, T. P, Whittet, D. C. B, Witt, A. N, Wolff, Michael J

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The Nature of Carbon Dioxide Bearing Ices in Quiescent Molecular Clouds by Whittet, D. C. B, Cook, A. M, Chiar, J. E, Pendleton, Y. J, Shenoy, S. S, Gerakines, P. A

“…The properties of the ices that form in dense molecular clouds represent an important set of initial conditions in the evolution of interstellar and…”
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Solid Carbon Dioxide in Regions of Low-Mass Star Formation by Nummelin, A, Whittet, D. C. B, Gibb, E. L, Gerakines, P. A, Chiar, J. E

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An Extended Search for Circularly Polarized Infrared Radiation from the OMC-1 Region of Orion by Buschermöhle, M, Whittet, D. C. B, Chrysostomou, A, Hough, J. H, Lucas, P. W, Adamson, A. J, Whitney, B. A, Wolff, M. J

“…We present new observations of circular polarization (CP) at 2.2 mu m in the Orion (OMC-1) molecular cloud. Our results extend a previously published study of…”
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Searching for Ammonia in Grain Mantles toward Massive Young Stellar Objects by Gibb, E. L, Whittet, D. C. B, Chiar, J. E

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