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From DESI to Euclid: A Generative Bridge to Improve Measurements of Galaxy Structure

  • Authors: Renhao Ye, 人豪 叶, Shiyin Shen, 世银 沈

Renhao Ye et al 2026 The Astrophysical Journal Letters 1009 .

  • Provider: AAS Journals

Caption: Figure E1.

Randomly selected E-BGS predictions over the Euclid DR1 footprint, intended for a future blind comparison with Euclid observations. No corresponding public Euclid imaging is currently available; these predictions are not substitutes for observed Euclid images, and their individual fine-scale features have not been observationally confirmed. Each pair of columns shows the DESI grz composite (used for display only; the model takes the r and z bands) and the corresponding E-BGS prediction (single VIS channel), labeled by R.A. and decl. annotations on the DESI panels give the single-component Sérsic effective radius Re measured in the DESI r band, the r-band PSF FWHM, and the redshift z.

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