Software

I am the primary developer of several open-source software packages and have contributed to the pipelines behind the DESI Legacy Imaging Surveys and DESI. My code is on GitHub. For the data products built with it, see Surveys and Data Releases.

Siena Galaxy Atlas (SGA)

Montage of 42 color images of nearby galaxies from the Siena Galaxy Atlas — A sample of galaxies from the Siena Galaxy Atlas 2020.

The pipeline that builds the Siena Galaxy Atlas, a multiwavelength atlas of large, nearby galaxies, from the DESI Legacy Imaging Surveys.

Documentation: sga.readthedocs.io
Code: github.com/moustakas/SGA

FastSpecFit

Fast spectral synthesis and emission-line fitting of DESI spectra and photometry (2021–present).

Documentation: fastspecfit.readthedocs.io
Code: github.com/desihub/fastspecfit
Software record: FastSpecFit: Fast spectral synthesis and emission-line fitting of DESI spectra, Astrophysics Source Code Library, ascl:2308.005

Other Software Contributions

legacypipe: image reduction and photometry pipeline for the DESI Legacy Imaging Surveys (ascl:2502.024)
desitarget: selection of DESI targets from photometric catalogs (ascl:2301.025)
desispec: the DESI spectroscopic data-reduction pipeline
desisim: simulations of DESI spectra and data