AINeutralarXiv – CS AI · 6h ago6/10
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Integral Field Unit Spectroscopy with One Fiber
Researchers developed a probabilistic foundation model that predicts high-resolution galaxy spectra from broadband images, achieving integral field unit (IFU) spectroscopy capabilities without requiring expensive IFU observations. Trained on 4.7 million DESI survey images and fiber spectroscopy data, the masked autoencoder model demonstrates performance comparable to supervised IFU baselines, potentially democratizing spatially-resolved spectroscopy for astronomy research.