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Evolved Stars with ...
Evolved Stars with Complex Atmospheres - the High Spectral Resolution, mid-IR View
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- Ryde, N. (author)
- Lund Univ, Lund Observ, Dept Astron & Theoret Phys, Lund, Sweden.
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- Lambert, J. (author)
- Lund Univ, Lund Observ, Dept Astron & Theoret Phys, Lund, Sweden.
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- Richter, M. J. (author)
- Univ Calif Davis, Dept Phys, Davis, CA 95616 USA.
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- Josselin, E. (author)
- Univ Montpellier 2, UPM, Montpellier, France.
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- Harper, G. M. (author)
- Univ Dublin Trinity Coll, Astrophys Res Grp, Dublin 2, Ireland.
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- Eriksson, Kjell (author)
- Uppsala universitet,Teoretisk astrofysik
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- Boogert, A. (author)
- NASA, Ames Res Ctr, USRA SOFIA Sci Ctr, Moffett Field, CA 94035 USA.
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- DeWitt, C. (author)
- Univ Calif Davis, Dept Phys, Davis, CA 95616 USA.
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- Encrenaz, T. (author)
- Univ Paris 07, UPMC, CNRS, LESIA,Observ Paris, Meudon, France.
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- Greathouse, T. (author)
- SW Res Inst, San Antonio, TX USA.
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- Jaffe, D. (author)
- Univ Texas Austin, Austin, TX 78712 USA.
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- Kulas, K. (author)
- NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
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- McKelvey, M. (author)
- NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.
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- Najita, J. (author)
- Natl Opt Astron Observ, Tucson, AZ USA.
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- Vacca, W. (author)
- NASA, Ames Res Ctr, USRA SOFIA Sci Ctr, Moffett Field, CA 94035 USA.
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Lund Univ, Lund Observ, Dept Astron & Theoret Phys, Lund, Sweden Univ Calif Davis, Dept Phys, Davis, CA 95616 USA. (creator_code:org_t)
- ASTRONOMICAL SOC PACIFIC, 2015
- 2015
- English.
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In: Why galaxies care about AGB stars III. - : ASTRONOMICAL SOC PACIFIC. - 9781583818794 - 9781583818787 ; , s. 67-71
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Abstract
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- The physical structures of the outer atmospheres of red giants are not known. They are certainly complex, and a range of recent observations are showing that we need to embrace non-classical model atmospheres to interpret these regions. This region's properties are of importance, not the least for an understanding of the mass-loss mechanism for these stars. Here we present observational constraints on the outer regions of red giants, based on mid-IR, high spectral resolution spectra. We also discuss possible non-LTE effects and highlight a new non-LTE code that will be used to analyse the spectra of these atmospheric layers. We conclude by mentioning our new SOFIA/EXES observations of red giants at 67 mu m, where the vibration-rotation lines of water vapour can be detected and spectrally resolved for the first time.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Publication and Content Type
- ref (subject category)
- kon (subject category)
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- By the author/editor
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Ryde, N.
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Lambert, J.
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Richter, M. J.
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Josselin, E.
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Harper, G. M.
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Eriksson, Kjell
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show more...
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Boogert, A.
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DeWitt, C.
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Encrenaz, T.
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Greathouse, T.
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Jaffe, D.
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Kulas, K.
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McKelvey, M.
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Najita, J.
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Vacca, W.
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Why galaxies car ...
- By the university
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Uppsala University