Published March 12, 2025 | Version v1
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The Hubble Ultra Deep Field in Blue

Description

False color image of the Hubble Ultra Deep Field in the 8 bluest Hubble Space Telescope-unique filters (WFC3/UVIS F225W, F275W, and F336W and ACS/WFC F435W, F606W, F775W, F814W and F850LP), all noise-weighted and rendered only in blue. This demonstrates the Hubble Space Telescope-unique UV-blue photons from recent star-formation that represent the more recent cosmic star-formation history at z=0-2, i.e., from the peak in the cosmic star-formation history and more recently, which the James Webb Space Telescope does not sample for the hottest stellar rest-frame wavelengths.

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HUDF_HST_B_color_crop_final.tiff

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Additional details

Related works

Is published in
Preprint: arXiv:2410.01187 (arXiv)
Is supplement to
Journal article: 10.3847/25c2cfeb.efb61a04 (DOI)