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Impact of Cosmic Filaments on Galaxy Morphological Evolution and Predictions of Early Cosmic Web Structure for Roman

  • Authors: Farhanul Hasan, Haowen Zhang, 昊文 张, Viraj Pandya, Marc Rafelski, Joseph N. Burchett, Douglas Hellinger, Kalina V. Nedkova, Ilias Goovaerts, Nir Mandelker, Daisuke Nagai, Grecco A. Oyarzún, Joel R. Primack, Joanna Woo

Farhanul Hasan et al 2026 The Astrophysical Journal 1004 .

  • Provider: AAS Journals

Caption: Figure 6.

The fraction of galaxies with prolate stellar structures (top row), inner halos (middle row), and outer halos (bottom row) as a function of filament density, stellar mass, and redshift in TNG50. Lower-mass galaxies and (primarily inner) halos are more prolate, but at fixed mass, early low-mass structures are more likely to be prolate at lower filament density.

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