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T. Hewagama, K. Fast (UMD at NASA-GSFC), T. Kostiuk, D. Deming (NASA-GSFC), T. Livengood, J. Goldstein (CCSSE), F. Schmuelling, C. Goukenleuque (NRC at NASA-GSFC)
We will describe a spectral synthesis model to calculate the thermal- infrared spectra of extra-solar planetary (ESP) systems. The model can be used to plan observations of ESP systems, and eventually to analyze direct-detection spectral data. The synthesis code is being based on a carefully designed modular architecture, wherein specific elements of the model (Jovian planets, hot-Jupiters, terrestrial planets, etc.) are incorporated in a flexible manner. The modules are comprehensive in the sense of including effects known to be important (such as stellar irradiation of hot-Jupiters), and scaling existing models to allow for arbitrary orbital radii and viewing angles. We are in the process of designing the algorithms, and in our initial tests of the software we produce spectra of Earth, Jupiter and a hot-Jupiter at representative spectral resolutions and compare the Earth's spectrum to the MGS/TES full disc Earth spectrum.
This work is partially supported from the NASA-GSFC Directors Discretionary Fund.
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