🎃 Getting Started

• Getting Started with Emission Spectroscopy
• Getting Started with Transmission Spectroscopy
• Getting Started with Reflection Spectroscopy
• Getting Started with Opart; GPU memory-efficient Emission Spectrum
• Reduces Device Memory Usage by Dividing and Stitching the Wavenumber Grid (\(\nu\) - stitching)

Retrievals

HMC-NUTS

For HMC-NUTS, visit Getting Started Page again.

SVI using NumPyro

• Stochastic Variation Inference with Auto Guide Generation of an Emission Spectrum Using NumPyro

Nested Sampling using JAXNS/NumPyro

• Nested Sampling of an Emission Spectrum Using JAXNS

A Primer on Planet Atmosphere Model in ExoJAX

Molecular/Atomic/Continuum Databases

• Filtering Lines by Quantum Number
• R-branch and P-branch of CO
• Quatum states of Carbon Monoxide and Fortrat Diagram
• CIA coefficient
• H- continuum
• Forward modeling of the emission spectrum using Fe I line list from Kurucz

Scattering

• Rayleigh scattering
• Mie Scattering

Clouds and Reflection Spectrum

• Foward Modeling of Jupiter-like Ammonia Clouds and Its Reflection Spectrum
• Modeling a High Resolution Reflection Spectrum
• Ackerman and Marley Cloud Model

🪐 An example of HMC-NUTS for actual Jupiter reflection spectrum can be found here .

Tips for Real Analysis

• SopPhoto: Computes Apparent Magnitude
• On the Device Memory Use
• Optimal Elower Maximum
• Fitting the telluric line model
• Reverse modeling of Methane emission spectrum using precomputed spectrum grids

🪐 An example of HMC-NUTS for actual hot Saturn (JWST/ERS, NIRSPEC/G395H) can be found here .

Macro Physical Processes

• Rigid Stellar Rotation and Gaussian Convolution

Others

• Using FastChem2 to calculate the chemical abundances
• On the Voigt profile
• Cross section computation using the Discrete Integral Transform (DIT) for rapid spectral synthesis
• Cross Section for Many Lines using MODIT