Installation

To install FIREFLY, you can clone the repository from GitHub using the following command in your terminal:

git clone https://github.com/Firefly-Collaboration/FIREFLY

Then, install the required Python dependencies:

pip install -r requirements.txt

After cloning, navigate into the cloned directory:

cd firefly

get FIREFLY on github

Dependencies

Python 3.6+ required

FIREFLY is no longer compatible with Python 2 and earlier versions. It requires Python version 3.6 or later. Ensure you have the correct version installed before proceeding with the installation.

FIREFLY also requires the following third-party Python packages:

Package	Version	Description
numpy	2.2.2	Core array math for spectra and model grids
scipy	1.15.1	Optimisation, stats, and interpolation used in fitting
pandas	2.2.3	Table handling for catalogs, metadata, and CSV I/O
astropy	7.0.0	Astronomy I/O (FITS), cosmology, coordinates, and units
matplotlib	3.10.0	Visualisations for spectra, comparisons, and QA plots
fitsio	1.2.1	Fast FITS file reading and writing
psutil	5.9.8	Resource monitoring for multiprocessing workflows
requests	2.32.3	HTTP downloads for remote DESI data
tqdm	4.67.1	Progress bars for long-running loops
desimodel	0.19.3	DESI instrument and targeting models (NERSC ONLY - using desi_envioment.sh)
desispec	0.69.0	DESI spectral I/O and processing utilities (NERSC ONLY - using desi_envioment.sh)
desitarget	2.9.0	DESI target selection masks and helpers (NERSC ONLY - using desi_envioment.sh)
sparcl	1.2.0	Client for remote SPARCL catalog access (API Documentation)