mfit: Model Fitting Software for Optical Interferometry

Bayesian model-fitting to OI-FITS-format data.


mfit is a tool for fitting simple parametrisations of the sky brightness distribution to optical (visible/IR) interferometry data. The source code is available for download, see the links below. You will need a Fortran 90/95 compiler (such as the freely-available G95) to build mfit.

Features of mfit include:

The following screen grab shows the GUI interface to mfit, fitgui:
[screen grab]


Gzipped tar file of package: mfit.tar.gz


mfit was written by Matthew Worsley, and subsequently modified by John Young. Please send bug reports and requests for new features to John Young (jsy1001 (at)

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John Young <jsy1001 (at)>
Last modified: Wed Oct 10 18:13:31 BST 2012