{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Transmission Spectra Model Visuals" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "Contribution visuals are an important tool for interpreting forward models and retrieved spectra. \n", "\n", "We differentiate here between two types of contribution visuals: (i) *spectral decomposition plots*, which highlight the impact of each chemical species on a spectrum; and (ii) *pressure contribution plots*, which highlight the atmospheric layers driving the formation of spectral features.\n", "\n", "In this notebook, we will take HD 189733 b (a hot Jupiter) as an example forward model and analyse:\n", "\n", "1. The spectral components of a transmission spectrum.\n", "2. Where in the forward model atmosphere the spectrum forms.\n", "3. Which pressure regions are probed at different wavelengths." ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "First, let's define our wavelength, planet, star, model, and opac objects.\n", "\n", "All of these steps are the same as any forward model with POSEIDON." ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "