Search Results - "Woitke, P."

Consistent Dust and Gas Models for Protoplanetary Disks. III. Models for Selected Objects from the FP7 DIANA Project by Woitke, P., Kamp, I., Antonellini, S., Anthonioz, F., Baldovin-Saveedra, C., Carmona, A., Dionatos, O., Dominik, C., Greaves, J., Güdel, M., Ilee, J. D., Liebhardt, A., Menard, F., Min, M., Pinte, C., Rab, C., Rigon, L., Thi, W. F., Thureau, N., Waters, L. B. F. M.

“…Abstract The European FP7 project DIANA has performed a coherent analysis of a large set of observational data of protoplanetary disks by means of…”
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A comparison of chemistry and dust cloud formation in ultracool dwarf model atmospheres by Helling, Ch, Ackerman, A., Allard, F., Dehn, M., Hauschildt, P., Homeier, D., Lodders, K., Marley, M., Rietmeijer, F., Tsuji, T., Woitke, P.

“…The atmospheres of substellar objects contain clouds of oxides, iron, silicates and other refractory condensates. Water clouds are expected in the coolest…”
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Modification of the radioactive heat budget of Earth-like exoplanets by the loss of primordial atmospheres by Erkaev, N V, Scherf, M, Herbort, O, Lammer, H, Odert, P, Kubyshkina, D, Leitzinger, M, Woitke, P, O’Neill, C

“…ABSTRACT The initial abundance of radioactive heat producing isotopes in the interior of terrestrial planets are important drivers of its thermal evolution and…”
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Gas and dust around A-type stars at tens of Myr: signatures of cometary breakup by Greaves, J S, Holland, W S, Matthews, B C, Marshall, J P, F Dent, W R, Woitke, P, Wyatt, M C, Matra, L, Jackson, A

“…Discs of dusty debris around main-sequence stars indicate fragmentation of orbiting planetesimals, and for a few A-type stars, a gas component is also seen…”
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Radiation thermo-chemical models of protoplanetary discs - III. Impact of inner rims on spectral energy distributions by Thi, W.-F., Woitke, P., Kamp, I.

“…We study the hydrostatic density structure of the inner disc rim around Herbig Ae stars using the thermo-chemical hydrostatic code prodimo. We compare the…”
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HCO+ DETECTION OF DUST-DEPLETED GAS IN THE INNER HOLE OF THE LkCa 15 PRE-TRANSITIONAL DISK by Drabek-Maunder, E., Mohanty, S., Greaves, J., Kamp, I., Meijerink, R., Spaans, M., Thi, W.-F., Woitke, P.

“…ABSTRACT LkCa 15 is an extensively studied star in the Taurus region, known for its pre-transitional disk with a large inner cavity in the dust continuum and…”
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The sulfur species in hot rocky exoplanet atmospheres by Janssen, L. J., Woitke, P., Herbort, O., Min, M., Chubb, K. L., Helling, Ch, Carone, L.

“…Abstract The first JWST observations of hot Jupiters showed an unexpected detection of SO in their hydrogen‐rich atmospheres. We investigate how much sulfur…”
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Analysis and assessment of heavy metal pollution in suspended solids and sediments of the river Danube by Woitke, P, Wellmitz, J, Helm, D, Kube, P, Lepom, P, Litheraty, P

“…The Joint Danube Survey (JDS)––a comprehensive monitoring survey to assess the environmental pollution status of the river Danube––was carried out in 2001…”
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Variability in the CO ro-vibrational lines from HD163296 by Hein Bertelsen, Rosina P., Kamp, I., van der Plas, G., van den Ancker, M. E., Waters, L. B. F. M., Thi, W.-F., Woitke, P.

“…We present for the first time a direct comparison of multi-epoch (2001–2002 and 2012) CO ro-vibrational emission lines from HD 163296. We find that both the…”
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HERSCHEL OBSERVATIONS OF GAS AND DUST IN THE UNUSUAL 49 Ceti DEBRIS DISK by Roberge, A, Kamp, I, Montesinos, B, Dent, W R F, Meeus, G, Donaldson, J K, Olofsson, J, Moor, A, Augereau, J-C, Howard, C, EIROA, C, Thi, W-F, Ardila, D R, Sandell, G, WOITKE, P

“…We present far-IR/sub-mm imaging and spectroscopy of 49 Ceti, an unusual circumstellar disk around a nearby young A1V star. The system is famous for showing…”
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GASPS-A Herschel Survey of Gas and Dust in Protoplanetary Disks: Summary and Initial Statistics by Dent, W. R. F., Thi, W. F., Kamp, I., Williams, J. P., Menard, F., Andrews, S., Ardila, D., Aresu, G., Augereau, J.-C., Barrado y Navascues, D., Brittain, S., Carmona, A., Ciardi, D., Danchi, W., Donaldson, J., Duchene, G., Eiroa, C., Fedele, D., Grady, C., de Gregorio-Molsalvo, I., Howard, C., Huélamo, N., Krivov, A., Lebreton, J., Liseau, R., Martin-Zaidi, C., Mathews, G., Meeus, G., Mendigutía, I., Montesinos, B., Morales-Calderon, M., Mora, A., Nomura, H., Pantin, E., Pascucci, I., Phillips, N., Pinte, C., Podio, L., Ramsay, S. K., Riaz, B., Riviere-Marichalar, P., Roberge, A., Sandell, G., Solano, E., Tilling, I., Torrelles, J. M., Vandenbusche, B., Vicente, S., White, G. J., Woitke, P.

“…ABSTRACT We describe a large-scale far-infrared line and continuum survey of protoplanetary disk through to young debris disk systems carried out using the ACS…”
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Water Depletion in the Disk Atmosphere of Herbig AeBe Stars by Fedele, D, Pascucci, I, Brittain, S, Kamp, I, Woitke, P, Williams, J. P, Dent, W. R. F, Thi, W.-F

“…We present high-resolution (R ~ 100,000) L-band spectroscopy of 11 Herbig AeBe stars with circumstellar disks. The observations were obtained with the…”
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HERSCHEL EVIDENCE FOR DISK FLATTENING OR GAS DEPLETION IN TRANSITIONAL DISKS by Keane, J T, Pascucci, I, ESPAILLAT, C, WOITKE, P, Andrews, S, Kamp, I, Thi, W-F, Meeus, G, Dent, W R F

“…Transitional disks are protoplanetary disks characterized by reduced near- and mid-infrared emission, with respect to full disks. This characteristic spectral…”
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Warm non-equilibrium gas phase chemistry as a possible origin of high HDO/H2O ratios in hot and dense gases: application to inner protoplanetary discs by Thi, W.-F., Woitke, P., Kamp, I.

“…The origin of Earth oceans is controversial. Earth could have acquired its water either from hydrated silicates (wet Earth scenario) or from comets (dry Earth…”
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Signatures of warm carbon monoxide in protoplanetary discs observed with Herschel SPIRE by van der Wiel, M. H. D., Naylor, D. A., Kamp, I., Ménard, F., Thi, W.-F., Woitke, P., Olofsson, G., Pontoppidan, K. M., Di Francesco, J., Glauser, A. M., Greaves, J. S., Ivison, R. J.

“…Molecular gas constitutes the dominant mass component of protoplanetary discs. To date, these sources have not been studied comprehensively at the longest…”
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Continuum and line modelling of discs around young stars — I. 300 000 disc models for HERSCHEL/GASPS by Woitke, P., Pinte, C., Tilling, I., Ménard, F., Kamp, I., Thi, W.-F., Duchêne, G., Augereau, J.-C.

“…We have combined the thermo-chemical disc code ProDiMo with the Monte Carlo radiative transfer code MCFOST to calculate a grid of ∼300 000 circumstellar disc…”
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Consistent Simulations of Substellar Atmospheres and Nonequilibrium Dust Cloud Formation by Helling, Christiane, Dehn, Matthias, Woitke, Peter, Hauschildt, Peter H

“…We aim to understand cloud formation in substellar objects. We combined our nonequilibrium, stationary cloud model DRIFT (seed formation, growth, evaporation,…”
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Determination of hydrocarbons in water – interlaboratory method validation before routine monitoring by Woitke, P., Kreßner, Reinhard, Lepom, Peter

“…The clarification of hydrocarbon input into the Baltic sea via rivers is one of the priority issues of the 4th Pollution Load Compilation (PLC-4) within the…”
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Continuum and line modelling of discs around young stars - I. 300000 disc models for HERSCHEL/GASPS by Woitke, P., Pinte, C., Tilling, I., Ménard, F., Kamp, I., Thi, W.-F., Duchêne, G., Augereau, J.-C.

“…We have combined the thermo-chemical disc code ProDiMo with the Monte Carlo radiative transfer code MCFOST to calculate a grid of ∼300 000 circumstellar disc…”
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Radiation thermo-chemical models of protoplanetary discs - III. Impact of inner rims on spectral energy distributions: Impact of inner rims on SEDs by Thi, W.-F., Woitke, P., Kamp, I.

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