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Matter Clustering in Astrid: Reduced Baryonic Suppression from Realistic Black Hole Dynamics

  • Authors: Yanhui Yang, 焱辉 杨, Simeon Bird, Yihao Zhou, 亦豪 周, Tiziana Di Matteo, Rupert Croft, Yueying Ni, Nianyi Chen

Yanhui Yang et al 2026 The Astrophysical Journal Letters 1007 .

  • Provider: AAS Journals

Caption: Figure 2.

Halo density profile ratios of halos in the hydrodynamical simulations to their matched DMO counterparts, at z = 0. The color and line styles are the same as in Figure 1. Unity is marked by a horizontal dotted line. Left, middle, and right panels show ratios for halos in the mass ranges of M500c =  1011–1012 M h−1, 1012–1013 M h−1, and 1013–1014 M h−1, respectively. Shaded areas represent the 16th to 84th percentile scatter among the matched halo population. Ratios at radii within a certain scale (﹩\sim 2{\epsilon }_{{\rm{g}}}^{{\rm{SV}}}﹩), rlin, are plotted on a linear scale to cover the halo centers, while ratios at larger radii are plotted with a logarithmic x-axis. rlin = 5.13, 5.15, and 5.17 kpc h−1 for the three mass bins, respectively. Median R500c value of the DMO halos (measured from SV-DMO) in each mass bin is shown by a vertical gray line in the corresponding panel.

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