A5052805376- Astro and Planetary Science
- Atmospheric Ozone and Climate
- Optical Polarization and Ellipsometry
- Aeolian processes and effects
- Planetary Science and Exploration
- Space Exploration and Technology
- Scientific Research and Discoveries
- Surface Roughness and Optical Measurements
- Optical Imaging and Spectroscopy Techniques
- Leaf Properties and Growth Measurement
- Spectroscopy and Laser Applications
- Astrophysics and Star Formation Studies
- Fluid dynamics and aerodynamics studies
University of Bristol
2024
Bristol Robotics Laboratory
2023-2024
ABSTRACT The goal of this white paper is to provide a snapshot the data availability and needs primarily for Ariel space mission, but also related atmospheric studies exoplanets cool stars. It covers following data-related topics: molecular atomic line lists, profiles, computed cross-sections opacities, collision-induced absorption other continuum data, optical properties aerosols surfaces, chemistry, UV photodissociation photoabsorption cross-sections, standards in description format such...
The optical properties of particulate-matter aerosols, within the context exoplanet and brown dwarf atmospheres, are compared using three different models: Mie theory, Modified Mean Field (MMF) Theory, Discrete Dipole Approximation (DDA). Previous results have demonstrated that fractal haze particles (MMF DDA) absorb much less long-wavelength radiation than their spherical counterparts (Mie), however it is shown here opposite can also be true if a more varying refractive index profile used....
The goal of this white paper is to provide a snapshot the data availability and needs primarily for Ariel space mission, but also related atmospheric studies exoplanets brown dwarfs. It covers following data-related topics: molecular atomic line lists, profiles, computed cross-sections opacities, collision-induced absorption other continuum data, optical properties aerosols surfaces, chemistry, UV photodissociation photoabsorption cross-sections, standards in description format such data....
Correctly modelling the absorptive properties of dust and haze particles is great importance for determining abundance solid matter within protoplanetary disks planetary atmospheres. Rigorous analyses such as discrete dipole approximation (DDA) can be used to obtain accurate absorption cross-sections, but these require significant computing time are often impractical use in models. A simple analytical equation exists spherical long-wavelength limit (where wavelength much larger than size...
ABSTRACT Correctly modelling the absorptive properties of dust and haze particles is great importance for determining abundance solid matter within protoplanetary discs planetary atmospheres. Rigorous analyses such as discrete dipole approximation (DDA) can be used to obtain accurate absorption cross-sections, but these require significant computing time are often impractical use in models. A simple analytical equation exists spherical long-wavelength limit (where wavelength much larger than...
Current models of dust aggregation in early planet formation describe numerous collision mechanisms detail, but this research evaluates the impact an idea that has not yet been explored: effect rotating targets on probability aggregate growth. Rotating target surfaces decrease successful sticking collisions due to increased relative velocity between colliding surfaces. A model developed quantify for use evolution models. Curiously, was found almost exactly correlate a quadratic function...