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Search: WFRF:(Podio L.) > Riaz B. > GAS in Protoplaneta...

GAS in Protoplanetary Systems (GASPS) I. First results

Mathews, G. S. (author)
University of Hawaii
Dent, W. R. F. (author)
European Southern Observatory Santiago,Atacama Large Millimeter-submillimeter Array (ALMA)
Williams, J. P. (author)
University of Hawaii
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Howard, C. D. (author)
NASA Ames Research Center
Meeus, G. (author)
Universidad Autonoma de Madrid (UAM)
Riaz, B. (author)
Space Telescope Science Institute (STScI)
Roberge, A. (author)
NASA Goddard Space Flight Center
Sandell, G. (author)
NASA Ames Research Center
Vandenbussche, B. (author)
Katholieke Universiteit Leuven
Duchene, G. (author)
University of California,Université Grenoble Alpes,Grenoble Alpes University
Kamp, I. (author)
Rijksuniversiteit Groningen,University of Groningen
Menard, F. (author)
Université Grenoble Alpes,Grenoble Alpes University
Montesinos, B. (author)
Centro de Astrobiologia (CAB)
Pinte, C. (author)
Université Grenoble Alpes,Grenoble Alpes University,University of Exeter
Thi, W. F. (author)
Royal Observatory,Université Grenoble Alpes,Grenoble Alpes University
Woitke, P. (author)
University of Edinburgh,Royal Observatory,University of St Andrews
Alacid, J. M. (author)
Centro de Astrobiologia (CAB)
Andrews, S. (author)
Harvard-Smithsonian Center for Astrophysics
Ardila, D. R. (author)
California Institute of Technology (Caltech)
Aresu, G. (author)
Rijksuniversiteit Groningen,University of Groningen
Augereau, J. C. (author)
Université Grenoble Alpes,Grenoble Alpes University
Barrado, D. (author)
Calar Alto Astronomical Observatory,Centro de Astrobiologia (CAB)
Brittain, S. (author)
Clemson University
Ciardi, D. R. (author)
National Aeronautics and Space Administration (NASA)
Danchi, W. (author)
NASA Goddard Space Flight Center
Eiroa, C. (author)
Universidad Autonoma de Madrid (UAM)
Fedele, D. (author)
Johns Hopkins University,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG),Universidad Autonoma de Madrid (UAM)
Grady, C. A. (author)
NASA Goddard Space Flight Center
de Gregorio-Monsalvo, I. (author)
European Southern Observatory Santiago,Atacama Large Millimeter-submillimeter Array (ALMA)
Heras, A. (author)
European Space Astronomy Centre (ESAC)
Huelamo, N. (author)
Rijksuniversiteit Groningen,University of Groningen
Krivov, A. (author)
Friedrich-Schiller-Universität Jena,Friedrich Schiller University Jena
Lebreton, J. (author)
Katholieke Universiteit Leuven
Liseau, René, 1949 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Martin-Zaidi, C. (author)
Katholieke Universiteit Leuven
Mendigutia, I. (author)
Centro de Astrobiologia (CAB)
Mora, A. (author)
European Space Astronomy Centre (ESAC)
Morales-Calderon, M. (author)
Spitzer Science Center, United States
Nomura, H. (author)
Kyoto University
Pantin, E. (author)
Astrophysique, Instrumentation et Modelisation de Paris-Saclay
Pascucci, I. (author)
Universidad Autonoma de Madrid (UAM)
Phillips, N. (author)
University of Edinburgh
Podio, L. (author)
Rijksuniversiteit Groningen,University of Groningen
Poelman, D. R. (author)
University of St Andrews
Ramsay, S. (author)
European Southern Observatory (ESO)
Rice, K. (author)
Royal Observatory
Riviere-Marichalar, P. (author)
Centro de Astrobiologia (CAB)
Solano, E. (author)
Centro de Astrobiologia (CAB)
Tilling, I. (author)
University of Edinburgh
Walker, H. (author)
STFC Rutherford Appleton Laboratory
White, G. J. (author)
Open University,STFC Rutherford Appleton Laboratory
Wright, G. (author)
University of Edinburgh
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 (creator_code:org_t)
2010-07-16
2010
English.
In: Astronomy and Astrophysics. - : EDP Sciences. - 0004-6361 .- 1432-0746. ; 518:Article Number: L127
  • Journal article (peer-reviewed)
Abstract Subject headings
Close  
  • Context. Circumstellar discs are ubiquitous around young stars, but rapidly dissipate their gas and dust on timescales of a few Myr. The Herschel Space Observatory allows for the study of the warm disc atmosphere, using far-infrared spectroscopy to measure gas content and excitation conditions, and far-IR photometry to constrain the dust distribution. Aims. We aim to detect and characterize the gas content of circumstellar discs in four targets as part of the Herschel science demonstration phase. Methods. We carried out sensitive medium resolution spectroscopy and high sensitivity photometry at gimel similar to 60-190 mu m using the Photodetector Array Camera and Spectrometer instrument on the Herschel Space Observatory. Results. We detect [OI] 63 mu m emission from the young stars HD 169142, TW Hydrae, and RECX 15, but not HD 181327. No other lines, including [CII] 158 and [OI] 145, are significantly detected. All four stars are detected in photometry at 70 and 160 mu m. Extensive models are presented in associated papers.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)

Keyword

mass-loss
disk
protoplanetary disks
infrared: stars
eta-chamaeleontis cluster
tw-hydrae
stars: pre-main sequence
young stars
iso-lws
mu-m
fine-structure lines
herbig-ae
emission

Publication and Content Type

art (subject category)
ref (subject category)

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