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Water in Protoplanetary Disks

Bor, J. (2017) Water in Protoplanetary Disks. Bachelor's Thesis, Astronomy.

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The aim of this research is to gain a better insight in the water distribution within protoplanetary disks. Water is an important molecule in these disks and is interesting for planet formation. In this study, water column densities have been calculated as function of distance from the star for several models with different parameters, by using the ProDiMo code. Subsequently fits were made to these surfacedensity profiles used to investigate possible correlations between the parameters and the radial water column density profile. The snow line, the point at which water freezes out, can be obtained from these models too. By relating the snow line to the changing parameters, the gas mass and flaring parameter of the disk turn out to affect the position of the snow line. Also the water emission lines are extracted from the code and are related to the parameters resulting in again several correlations. The position of the snow line depends on the gas mass and the flaring. When searching for a relation between the emission line ratios of some prominent lines and the position of the snow line, a tentative relation is found.

Item Type: Thesis (Bachelor's Thesis)
Degree programme: Astronomy
Thesis type: Bachelor's Thesis
Language: English
Date Deposited: 15 Feb 2018 08:28
Last Modified: 15 Feb 2018 08:28

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