FIREFLY Demo - Quick Spectral Fit

FIREFLY - Quick Demo

This demo runs entirely in your browser and is intended for demonstration and teaching

Select a galaxy to fit

Choose a real galaxy from the DESI Early Data Release to fully fit to the MaStar stellar population models using FIREFLY

Credit: Legacy Surveys / D. Lang - CC BY 4.0

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Fit the full spectrum with FIREFLY

Click any "FIREFLY ➜ Fit" button in the gallery to run FIREFLY's full spectral fitting for that DESI galaxy.

Preparing demo...

This is a demo workflow; real FIREFLY runs happen on a compute backend.

Fitted spectrum (mock)

Lookback time (mock)

Metallicity (mock)

Parameter	Value	Units

FIREFLY produces a wide range of different stellar parameters including SSP specific contributions

Credits: Samuel Helps (FIREFLY Collaboration) — CC BY 4.0

Tip: to produce FIREFLY outputs for your own data, run FIREFLY locally after cloning the repository. This demo is a teaching tool and does not execute the full FIREFLY algorithm in the browser.