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3D Hydrodynamical S...
3D Hydrodynamical Simulations of Evolved Stars and Observations of Stellar Surfaces
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- Chiavassa, A. (författare)
- Univ Nice Sophia Antipolis, Observ Cote Azur, Lab Lagrange, F-06189 Nice, France.
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- Freytag, Bernd (författare)
- Uppsala universitet,Teoretisk astrofysik
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Univ Nice Sophia Antipolis, Observ Cote Azur, Lab Lagrange, F-06189 Nice, France Teoretisk astrofysik (creator_code:org_t)
- ASTRONOMICAL SOC PACIFIC, 2015
- 2015
- Engelska.
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Ingår i: WHY GALAXIES CARE ABOUT AGB STARS III. - : ASTRONOMICAL SOC PACIFIC. - 9781583818794 - 9781583818787 ; , s. 11-21
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Abstract
Ämnesord
Stäng
- Evolved stars are among the largest and brightest stars and they are ideal targets for the new generation of sensitive, high resolution instrumentation that provides spectrophotometric, interferometric, astrometric, and imaging observables. The interpretation of the complex stellar surface images requires numerical simulations of stellar convection that take into account multi-dimensional time-dependent radiation hydrodynamics with realistic input physics. We show how the evolved star simulations are obtained using the radiative hydrodynamics code (COBOLD)-B-5 and how the accurate observables are computed with the post-processing radiative transfer code OPTIM3D. The synergy between observations and theoretical work is supported by a proper and quantitative analysis using these simulations, and by strong constraints from the observational side.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- Astronomy with specialization in Astrophysics
- Astronomi med intiktning mot astrofysik
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