Consistent dust and gas models for protoplanetary disks III. Models for selected objects from the FP7 DIANA project

Autor: C. Baldovin-Saveedra, L. Rigon, John D. Ilee, Jane Greaves, Nathalie Thureau, Manuel Güdel, S. Antonellini, W. F. Thi, Andres Carmona, Peter Woitke, A. Liebhardt, Carsten Dominik, Christophe Pinte, F. Anthonioz, L. B. F. M. Waters, François Ménard, Inga Kamp, Odysseas Dionatos, Michiel Min, Ch. Rab
Přispěvatelé: European Commission, University of St Andrews. School of Physics and Astronomy, University of St Andrews. St Andrews Centre for Exoplanet Science, Astronomy, Kapteyn Astronomical Institute, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG), Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Observatoire des Sciences de l'Univers de Grenoble (OSUG ), Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national des sciences de l'Univers (INSU - CNRS)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019])-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes [2016-2019] (UGA [2016-2019]), Institut de recherche en astrophysique et planétologie (IRAP), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales [Toulouse] (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France -Centre National de la Recherche Scientifique (CNRS), Low Energy Astrophysics (API, FNWI)
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Brightness
010504 meteorology & atmospheric sciences
Infrared
FOS: Physical sciences
Astrophysics
Astrophysics::Cosmology and Extragalactic Astrophysics
astronomical databases: miscellaneous
01 natural sciences
Spectral line
RADIATION THERMOCHEMICAL MODELS
CHEMISTRY
CIRCUMSTELLAR DISKS
0103 physical sciences
Radiative transfer
QB Astronomy
Emission spectrum
010303 astronomy & astrophysics
Solar and Stellar Astrophysics (astro-ph.SR)
Astrophysics::Galaxy Astrophysics
0105 earth and related environmental sciences
Astrochemistry
QB
Earth and Planetary Astrophysics (astro-ph.EP)
IUE ATLAS
protoplanetary disks
Astronomy and Astrophysics
DAS
LKCA 15
Wavelength
T Tauri star
molecular processes
Astrophysics - Solar and Stellar Astrophysics
13. Climate action
Space and Planetary Science
[SDU]Sciences of the Universe [physics]
radiative transfer
PRE-MAIN-SEQUENCE
Millimeter
FINAL ARCHIVE SPECTRA
line: formation
Astrophysics::Earth and Planetary Astrophysics
T-TAURI
DM-TAU
HIGH-RESOLUTION
Astrophysics - Earth and Planetary Astrophysics
Zdroj: Publications of the Astronomical Society of the Pacific, 131(1000):064301
Publications of the Astronomical Society of the Pacific
Publications of the Astronomical Society of the Pacific, 2019, 131, pp.064301. ⟨10.1088/1538-3873/aaf4e5⟩
Publications of the Astronomical Society of the Pacific, 131(1000):64301. University of Chicago
ISSN: 0004-6280
Popis: The European FP7 project DIANA has performed a coherent analysis of a large set of observations from protoplanetary disks by means of thermo-chemical disk models. The collected data include extinction-corrected stellar UV and X-ray input spectra (as seen by the disk), photometric fluxes, low and high resolution spectra, interferometric data, emission line fluxes, line velocity profiles and line maps. We define and apply a standardized modelling procedure to simultaneously fit all these data by state-of-the-art modelling codes (ProDiMo, MCFOST, MCMax) which solve the continuum and line radiative transfer, disk chemistry, and the heating & cooling balance for both the gas and the dust. We allow for up to two radial disk zones to obtain our best-fitting models that have about 20 free parameters. This approach is novel and unique in its completeness and level of consistency. In this paper, we present the results from pure SED fitting for 27 objects and from the all inclusive DIANA-standard models for 14 objects. We fit most infrared to millimeter emission line fluxes within a factor better than 3, simultaneously with SED, PAH features and radial brightness profiles extracted from images at various wavelengths. Our analysis shows a number of Herbig Ae and T Tauri stars with very cold and massive outer disks which are situated at least partly in the shadow of a tall and gas-rich inner disk. The disk masses derived are often in excess to previously published values, since these disks are partially optically thick even at millimeter wavelength and so cold that they emit less than in the Rayleigh-Jeans limit. Some line observations cannot be reproduced by the models, probably caused by foreground cloud absorption or object variability. Our data collection, the fitted physical disk parameters as well as the full model output are available at an online database (http://www.univie.ac.at/diana).
70 pages, 35 figures, 22 tables, accepted by PASP
Databáze: OpenAIRE
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