Tutorials

This page contains a collection of tutorials that cover a range of topics from beginner to advanced. These demonstrate how to use Comrade in a variety of scenarios. While most of them consider the EHT, they should work more generally for any VLBI arrays.

!!! warning All plots in this tutorial are shown using DisplayAs to prevent the webpage from being too big and slow. You do not need to include |> DisplayAs.PNG |> DisplayAs.Text in your code when running locally.

Beginner Tutorials

Loading Data with Pyehtim

How to load data using standard eht-imaging in Julia.

Geometric Modeling of M87*

Modeling a black hole with simple geometric models

Intermediate Tutorials

Closure Imaging of M87*

Creating an image of a black hole using only closure information

Simultaneous Imaging and Gain Modeling of M87*

Imaging a black hole with simultaneous gain modeling (selfcal) using complex visibilities

Full Stokes Imaging using RIME

Simultaneous instrument and polarized imaging of VLBI data.

Advanced Tutorials

Hybrid ring modeling and residual imaging of M87*

How to combine everything to model the ring and create a residual image of M87*.