TAU: A 1D radiative transfer code for transmission spectroscopy of extrasolar planet atmospheres
arXiv:1305.2787 · doi:10.1016/j.cpc.2013.05.011
Abstract
The TAU code is a 1D line-by-line radiative transfer code, which is generally applicable for modelling transmission spectra of close-in extrasolar planets. The inputs are the assumed pressure-temperature profile of the planetary atmosphere, the continuum absorption coefficients and the absorption cross-sections for the trace molecular absorbers present in the model, as well as the fundamental system parameters taken from the published literature. The program then calculates the optical path through the planetary atmosphere of the radiation from the host star, and quantifies the absorption due to the modelled composition in a transmission spectrum of transit depth as a function of wavelength. The code is written in C++, parallelised using OpenMP, and is available for public download and use from http://www.ucl.ac.uk/exoplanets/.
29 pages, 7 figures
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- The spectrum of hot methane in astronomical objects using a comprehensive computed line list
- Exploring Biases of Atmospheric Retrievals in Simulated JWST Transmission Spectra of Hot Jupiters
- Modelling the light-curve of KIC 12557548b: an extrasolar planet with a comet like tail
- Influence of Stellar Flares on the Chemical Composition of Exoplanets and Spectra
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- Generation of an optimal target list for the Exoplanet Characterisation Observatory (EChO)