M-PRECLOSED GRAPH AND M<sup>*</sup>-PREOPEN MAPPING ON SPACES WITH MINIMAL STRUCTURES

Min, Won Keun; Kim, Young-Key

doi:10.5831/hmj.2009.31.4.497

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“…We compute full resolution 1 emitted and scattered flux images of the dust distribution in the disc at wavelengths of λ = [0.65, 850] µm to use them as a model input for SPHERE-ZIMPOL and ALMA simulators in bands R and 7, respectively. The radiative transfer is carried out using the Monte-Carlo radiative transfer code MCMax (Min et al 2009), which self-consistently solves the temperature and vertical structure of the distribution of gas and dust in the disc, provided as an input, including the effect of dust settling.…”

Section: A2 Radiative Transfer and Synthetic Observationsmentioning

confidence: 99%

Constraining turbulence mixing strength in transitional discs with planets using SPHERE and ALMA

Ovelar¹,

Pinilla²,

Min³

et al. 2016

Monthly Notices of the Royal Astronomical Society: Letters

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We investigate the effect that the turbulent mixing strength parameter α turb plays on near-infrared polarimetric and sub-millimetre interferometric imaging observations of transitional discs with a gap carved by a planet. We generate synthetic observations of these objects with ALMA and VLT/SPHERE-ZIMPOL by combining hydrodynamical, dust evolution, radiative transfer and instrument models for values of α turb = [10 −4 , 10 −3 , 10 −2 ]. We find that, through a combination of effects on the viscosity of the gas, the turbulent mixing and dust evolution processes, α turb strongly affects the morphology of the dust distribution that can be traced with these observations. We constrain the value of α turb to be within an order of magnitude of 10 −3 in TD sources that show cavities in sub-mm continuum images while featuring continuous distribution of dust or smaller cavities in NIR-polarimetric images.

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Section: A2 Radiative Transfer and Synthetic Observationsmentioning

confidence: 99%

Constraining turbulence mixing strength in transitional discs with planets using SPHERE and ALMA

Ovelar¹,

Pinilla²,

Min³

et al. 2016

Monthly Notices of the Royal Astronomical Society: Letters

View full text Add to dashboard Cite

show abstract

M-PRECLOSED GRAPH AND M^*-PREOPEN MAPPING ON SPACES WITH MINIMAL STRUCTURES

Abstract: Abstract. We introduce the concepts of M -preclosed graph and M * -preopen mapping on spaces with minimal structures and investigate some properties of M * -preopen mapping. We also investigate the relationships between M -precontinuous mappings and several types of m-compactness.

Cited by 1 publication

References 1 publication

Constraining turbulence mixing strength in transitional discs with planets using SPHERE and ALMA

Constraining turbulence mixing strength in transitional discs with planets using SPHERE and ALMA

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M-PRECLOSED GRAPH AND M*-PREOPEN MAPPING ON SPACES WITH MINIMAL STRUCTURES

Abstract: Abstract. We introduce the concepts of M -preclosed graph and M * -preopen mapping on spaces with minimal structures and investigate some properties of M * -preopen mapping. We also investigate the relationships between M -precontinuous mappings and several types of m-compactness.

Cited by 1 publication

References 1 publication

Constraining turbulence mixing strength in transitional discs with planets using SPHERE and ALMA

Constraining turbulence mixing strength in transitional discs with planets using SPHERE and ALMA

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Resources

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M-PRECLOSED GRAPH AND M^*-PREOPEN MAPPING ON SPACES WITH MINIMAL STRUCTURES