Search Results - "Harries, J T"

Multidimensional models of hydrogen and helium emission line profiles for classical TTauri stars: method, tests and examples by Kurosawa, Ryuichi, Romanova, M M, Harries, T J

“…ABSTRACT We present multidimensional non-local thermodynamic equilibrium radiative transfer models of hydrogen and helium line profiles formed in the accretion…”
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Forty eclipsing binaries in the Small Magellanic Cloud: fundamental parameters and Cloud distance by Hilditch, R. W., Howarth, I. D., Harries, T. J.

“…We have conducted a programme to determine the fundamental parameters of a substantial number of eclipsing binaries of spectral types O and B in the Small…”
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torus-3dpdr: a self-consistent code treating three-dimensional photoionization and photodissociation regions by Bisbas, T. G., Haworth, T. J., Barlow, M. J., Viti, S., Harries, T. J., Bell, T., Yates, J. A.

“…The interaction of ionizing and far-ultraviolet radiation with the interstellar medium is of great importance. It results in the formation of regions in which…”
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On the relative importance of different microphysics on the D-type expansion of galactic H ii regions by Haworth, T. J., Harries, T. J., Acreman, D. M., Bisbas, T. G.

“…Radiation hydrodynamics (RHD) simulations are used to study many astrophysical phenomena; however, they require the use of simplified radiation transport and…”
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A Tale of Two Herbig Ae Stars, MWC 275 and AB Aurigae: Comprehensive Models for Spectral Energy Distribution and Interferometry by Tannirkulam, A, Monnier, J. D, Harries, T. J, Millan-Gabet, R, Zhu, Z, Pedretti, E, Ireland, M, Tuthill, P, ten Brummelaar, T, McAlister, H, Farrington, C, Goldfinger, P. J, Sturmann, J, Sturmann, L, Turner, N

“…We present comprehensive models for the Herbig Ae stars MWC 275 and AB Aur that aim to explain their spectral energy distribution (from UV to millimeter) and…”
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Magnetic fields and accretion flows on the classical T Tauri star V2129 Oph by Donati, J.-F., Jardine, M. M., Gregory, S. G., Petit, P., Bouvier, J., Dougados, C., Ménard, F., Cameron, A. C., Harries, T. J., Jeffers, S.V., Paletou, F.

“…From observations collected with the ESPaDOnS spectropolarimeter, we report the discovery of magnetic fields at the surface of the mildly accreting classical T…”
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Magnetospheric accretion on the T Tauri star BP Tauri by Donati, J.-F., Jardine, M. M., Gregory, S. G., Petit, P., Paletou, F., Bouvier, J., Dougados, C., Ménard, F., Cameron, A. C., Harries, T. J., Hussain, G. A. J., Unruh, Y., Morin, J., Marsden, S. C., Manset, N., Aurière, M., Catala, C., Alecian, E.

“…From observations collected with the ESPaDOnS and NARVAL spectropolarimeters, we report the detection of Zeeman signatures on the classical T Tauri star (cTTS)…”
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The Inner Rim of YSO Disks: Effects of Dust Grain Evolution by Tannirkulam, A, Harries, T. J, Monnier, J. D

“…Dust-grain growth and settling are the first steps toward planet formation. An understanding of dust physics is therefore integral to a complete theory of the…”
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Strong Near-Infrared Emission Interior to the Dust Sublimation Radius of Young Stellar Objects MWC 275 and AB Aurigae by Tannirkulam, A, Monnier, J. D, Millan-Gabet, R, Harries, T. J, Pedretti, E, ten Brummelaar, T. A, McAlister, H, Turner, N, Sturmann, J, Sturmann, L

“…Using the longest optical-interferometeric baselines currently available, we have detected strong near-infrared (NIR) emission from inside the dust destruction…”
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Ten eclipsing binaries in the Small Magellanic Cloud: fundamental parameters and Cloud distance by Harries, Tim J., Hilditch, Ron W., Howarth, Ian D.

“…We present the first results of an observational programme to measure the fundamental parameters of over 100 eclipsing binaries in the Small Magellanic Cloud…”
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Synthetic line profiles of rotationally distorted hot-star winds by Harries, Tim J.

“…A new Monte Carlo stellar wind radiative-transfer code is presented. The code employs a three-dimensional opacity grid, and fully treats polarization and…”
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The Keck Aperture-masking Experiment: Near-Infrared Sizes of Dusty Wolf-Rayet Stars by Monnier, J. D, Tuthill, P. G, Danchi, W. C, Murphy, N, Harries, T. J

“…We report the results of a high angular resolution near-infrared survey of dusty Wolf-Rayet stars using the Keck I Telescope, including new multiwavelength…”
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Hydrogen emission from accretion and outflow in T Tauri stars by Wilson, T J G, Matt, S, Harries, T J, Herczeg, G J

“…ABSTRACT Radiative transfer modelling offers a powerful tool for understanding the enigmatic hydrogen emission lines from T Tauri stars. This work compares…”
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Multidimensional models of hydrogen and helium emission line profiles for classical T Tauri stars: method, tests and examples by Kurosawa, Ryuichi, Romanova, M. M., Harries, T. J.

“…We present multidimensional non-local thermodynamic equilibrium radiative transfer models of hydrogen and helium line profiles formed in the accretion flows…”
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Spectroscopic study of the long-period dust-producing WC7pd+O9 binary HD 192641 by Lefèvre, L., Marchenko, S. V., Lépine, S., Moffat, A. F. J., Acker, A., Harries, T. J., Annuk, K., Bohlender, D. A., Demers, H., Grosdidier, Y., Hill, G. M., Morrison, N. D., Knauth, D. C., Skalkowski, G., Viti, S.

“…We present the results of an optical spectroscopic study of the massive Wolf–Rayet (WR) binary HD 192641 = WR 137. These 1986–2000 data cover the…”
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Discovery of a 500 au Protobinary in the Massive Prestellar Core G11.92–0.61 MM2 by Cyganowski, C. J., Ilee, J. D., Brogan, C. L., Hunter, T. R., Zhang, S., Harries, T. J., Haworth, T. J.

“…Abstract We present high-resolution (≲160 au) Atacama Large Millimeter/submillimeter Array (ALMA) 1.3 mm observations of the high-mass prestellar core…”
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A spectropolarimetric survey of northern hemisphere Wolf–Rayet stars by Harries, T.J., Hillier, D.J., Howarth, I.D.

“…We present a homogeneous, high signal-to-noise spectropolarimetric survey of 16 northern hemisphere Wolf–Rayet (WR) stars. A reduction in polarization at…”
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Evidence for high accretion rates in weak-line T Tauri stars? by Littlefair, S. P., Naylor, Tim, Harries, Tim J., Retter, Alon, O'Toole, S.

“…We have discovered T Tauri stars which show startling spectral variability between observations separated by 20 yr. In spectra published approximately 20 years…”
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On the reflection effect in three sdOB binary stars by Hilditch, R. W., Harries, T. J., Hill, G.

“…Echelle spectroscopy is presented of three binary systems containing hot subdwarf primary stars and low-mass, low-luminosity secondary stars — HW Vir, AA Dor…”
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Interacting OB star binaries: LZ Cep, SZ Cam and IU Aur by Harries, T. J., Hilditch, R. W., Hill, G.

“…New spectroscopic observations of three O+O binary stars (LZ Cep, SZ Cam and IU Aur), obtained over a number of years at the Dominion Astrophysical…”
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