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  • Pinte, C.Université Grenoble Alpes,Grenoble Alpes University,University of Exeter (author)

The Herschel view of GAS in Protoplanetary Systems (GASPS) First comparisons with a large grid of models

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

  • 2010-07-16
  • EDP Sciences,2010
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:dbfdc87e-6c6f-4d6a-900c-cf9d13fe110c
  • https://research.chalmers.se/publication/130333URI
  • https://doi.org/10.1051/0004-6361/201014591DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • The Herschel GASPS key program is a survey of the gas phase of protoplanetary discs, targeting 240 objects which cover a large range of ages, spectral types, and disc properties. To interpret this large quantity of data and initiate self-consistent analyses of the gas and dust properties of protoplanetary discs, we have combined the capabilities of the radiative transfer code MCFOST with the gas thermal balance and chemistry code ProDiMo to compute a grid of approximate to 300 000 disc models (DENT). We present a comparison of the first Herschel/GASPS line and continuum data with the predictions from the DENT grid of models. Our objective is to test some of the main trends already identified in the DENT grid, as well as to define better empirical diagnostics to estimate the total gas mass of protoplanetary discs. Photospheric UV radiation appears to be the dominant gas-heating mechanism for Herbig stars, whereas UV excess and/or X-rays emission dominates for T Tauri stars. The DENT grid reveals the complexity in the analysis of far-IR lines and the difficulty to invert these observations into physical quantities. The combination of Herschel line observations with continuum data and/or with rotational lines in the (sub-)millimetre regime, in particular CO lines, is required for a detailed characterisation of the physical and chemical properties of circumstellar discs.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Woitke, P.University of Edinburgh,Royal Observatory,University of St Andrews (author)
  • Menard, F.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Duchene, G.Université Grenoble Alpes,Grenoble Alpes University,University of California (author)
  • Kamp, I.Rijksuniversiteit Groningen,University of Groningen (author)
  • Meeus, G.Universidad Autonoma de Madrid (UAM) (author)
  • Mathews, G.University of Hawaii (author)
  • Howard, C. D.NASA Ames Research Center (author)
  • Grady, C. A.NASA Goddard Space Flight Center (author)
  • Thi, W. F.Université Grenoble Alpes,Grenoble Alpes University,University of Edinburgh (author)
  • Tilling, I.University of Edinburgh (author)
  • Augereau, J. C.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Dent, W. R. F.European Southern Observatory Santiago,Atacama Large Millimeter-submillimeter Array (ALMA) (author)
  • Alacid, J. M.Centro de Astrobiologia (CAB) (author)
  • Andrews, S.Harvard-Smithsonian Center for Astrophysics (author)
  • Ardila, D. R.California Institute of Technology (Caltech) (author)
  • Aresu, G.Rijksuniversiteit Groningen,University of Groningen (author)
  • Barrado, D.Centro de Astrobiologia (CAB),Calar Alto Astronomical Observatory (author)
  • Brittain, S.Clemson University (author)
  • Ciardi, D. R.California Institute of Technology (Caltech) (author)
  • Danchi, W.NASA Goddard Space Flight Center (author)
  • Eiroa, C.Universidad Autonoma de Madrid (UAM) (author)
  • Fedele, D.Universidad Autonoma de Madrid (UAM),Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Johns Hopkins University (author)
  • de Gregorio-Monsalvo, I.European Southern Observatory Santiago,Atacama Large Millimeter-submillimeter Array (ALMA) (author)
  • Heras, A.European Space Research and Technology Centre (ESA ESTEC) (author)
  • Huelamo, N.Centro de Astrobiologia (CAB) (author)
  • Krivov, A.Friedrich-Schiller-Universität Jena,Friedrich Schiller University Jena (author)
  • Lebreton, J.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Liseau, René,1949Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)liseau (author)
  • Martin-Zaidi, C.Université Grenoble Alpes,Grenoble Alpes University (author)
  • Mendigutia, I.Centro de Astrobiologia (CAB) (author)
  • Montesinos, B.Centro de Astrobiologia (CAB) (author)
  • Mora, A.European Space Astronomy Centre (ESAC) (author)
  • Morales-Calderon, M.Spitzer Science Center, United States (author)
  • Nomura, H.Kyoto University (author)
  • Pantin, E.Astrophysique, Instrumentation et Modelisation de Paris-Saclay (author)
  • Pascucci, I.Space Telescope Science Institute (STScI) (author)
  • Phillips, N.University of Edinburgh (author)
  • Podio, L.Rijksuniversiteit Groningen,University of Groningen (author)
  • Poelman, D. R.University of St Andrews (author)
  • Ramsay, S.European Southern Observatory (ESO) (author)
  • Riaz, B.Space Telescope Science Institute (STScI) (author)
  • Rice, K.University of Edinburgh (author)
  • Riviere-Marichalar, P.Centro de Astrobiologia (CAB) (author)
  • Roberge, A.NASA Goddard Space Flight Center (author)
  • Sandell, G.NASA Goddard Space Flight Center (author)
  • Solano, E.European Southern Observatory Santiago,Atacama Large Millimeter-submillimeter Array (ALMA) (author)
  • Vandenbussche, B.Katholieke Universiteit Leuven (author)
  • Walker, H.STFC Rutherford Appleton Laboratory (author)
  • Williams, J. P.University of Hawaii (author)
  • White, G. J.Open University,STFC Rutherford Appleton Laboratory (author)
  • Wright, G.Royal Observatory (author)
  • Université Grenoble AlpesUniversity of Exeter (creator_code:org_t)

Related titles

  • In:Astronomy and Astrophysics: EDP Sciences518:Article Number: L1260004-63611432-0746

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