{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Reflection in Hot Jupiters \n", "\n", "This tutorial covers how albedo and reflection spectra are computed in POSEIDON v1.2.\n", "\n", "The calculation of reflection spectra inherently requires one to account for directional scattering. The scattering can arise from various processes, including Rayleigh scattering (which is symmetric) and scattering from aerosols (which can have strong back-scattering cross sections). Consequently, we recommend first going through the previous tutorials [\\\"Generating Secondary Eclipse Emission Spectra\\\"](emission_basic.html), [\\\"Clouds In Transmission Spectra\\\"](transmission_clouds.html), and [\\\"Thermal Scattering\\\"](emission_scattering.html).\n", "\n", "For background reading on exoplanet albedo / reflection spectra, be sure to check out [Sudarsky 2000](https://ui.adsabs.harvard.edu/abs/2000ApJ...538..885S/abstract).\n", "\n", "For this notebook, we will see how reflection affects the secondary eclipse spectrum of a hot Jupiter. " ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Reflection Spectroscopy in POSEIDON\n", "\n", "POSEIDON v1.2 includes reflection spectroscopy modelling capabilities adapted from the [PICASO](https://natashabatalha.github.io/picaso/) package developed by Natasha Batalha. If you use POSEIDON for reflection spectroscopy, please cite [Batalha et al. 2019](https://ui.adsabs.harvard.edu/abs/2019ApJ...878...70B/abstract) to recognise the significant work of the PICASO team in developing the reflection forward model used in POSEIDON.\n", "\n", "Note that the PICASO is *not* a modular dependency of POSEIDON, rather several radiative transfer functions from PICASO have been adapted to work within the internal structure of POSEIDON.\n", "\n", "