Welcome to Powderday!

Powderday is a dust radiative transfer package designed to interface with galaxy formation simulations in order to produce spectral energy distributions, as well as realistic images.

For documentation, please see the docs at:

The manual contains full installation instructions. You can also try out the shell script all-in-one installer:


This code benefits from the contributions, either directly to this software, or indirectly by contributions to dependency software, by many astrophysicists:

Matthew Turk (NCSA) Tom Robitaille (MPIA) Robert Thompson (University of Western Cape) Philip Hopkins (Caltech) Charlie Conroy (Harvard) Daniel Foreman-Mackey (NYU)