fp32/low-memory SFFT backend for phrosty — full 4088² Roman difference imaging in ~5 GB VRAM on an 8 GB consumer GPU, validated to 1e-5 of sky. Opt-in: SFFT_BACKEND=rfft
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Updated
Jul 5, 2026 - Python
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difference-imaging
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Difference-image photometry of the transient AT 2025acnt: a calibrated g/r/i light curve from 3.4 m telescope imaging, with the host subtracted by an Alard-Lupton kernel fit.
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Updated
Sep 3, 2026 - Jupyter Notebook
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