Welcome to the home of CLUMPY, a code modeling AGN clumpy dust torus emission. It was originally developed at the University of Kentucky, and is now developed and maintained at NOIRLab (ex-NOAO).

Jump straight to the Model Description

or download the SEDs

[NEW] or download the hypercube of brightness and dust maps plus the HYPERCAT Python software

Please follow the latest News & Updates, as the models may change at any time.

Disclaimers & Referencing

All data available on our website are public, and reflect the latest state of our scientific research and development. Please feel free to use them for the benefit of your research, provided that acknowledgment is made in each publication.

If you are using the CLUMPY model SEDs, please cite:

Nenkova, M., Sirocky, M.M., Ivezic, Z. & Elitzur, M., "AGN Dusty Tori: I. Handling of Clumpy Media", 2008, ApJ, 685, 147

Nenkova, M., Sirocky, M.M., Nikutta, R., Ivezic, Z. & Elitzur, M., "AGN Dusty Tori: II. Observational Implications of Clumpiness", 2008, ApJ, 685, 160

If you are using the model images / dustmaps, and/or any components of the HYPERCAT software, please also cite:

Nikutta, R., Lopez-Rodriguez, E., Ichikawa, K., Levenson, N.A., Packham, C., Hönig, S.F., Alonso-Herrero, A., "Hypercubes of AGN Tori (HYPERCAT): Resolving the Torus with Extremely Large Telescopes" (submitted)

Please note that models may be subject to changes or updates at any time. Therefore, please make sure to check back here and always use the latest models available.