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Early Results from GLASS-JWST. XXVI. Spatially Resolved Star Formation and Balmer Decrements at 1.1 < z < 2.3 from NIRISS Slitless Spectroscopy

  • Authors: Pengfei Ren, Xin Wang, Yuxuan Pang, Mengting Ju, Tucker Jones, Karl Glazebrook, Matthew A. Malkan, Gabriel Brammer, Victoria Strait, Themiya Nanayakkara, Tommaso Treu, Benedetta Vulcani, Peter J. Watson

Pengfei Ren et al 2026 The Astrophysical Journal Letters 1005 .

  • Provider: AAS Journals

Caption: Figure 3.

Stacked Hα and Hβ surface brightness maps. Each composite image spans 50 × 50 pixels, with a spatial scale of 0﹩\mathop{.}\limits^{\unicode{x02033}}﹩03 per pixel. The number of galaxies included in each stack is indicated in the bottom-right corner of the corresponding Hα map. The gray line delineates the S/N = 2 boundary, while the dotted circles denote the radial range where the measurement uncertainty of the emission-line profile is less than half of the measured flux.

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