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Strong Evidence for Cosmic-Ray-supported ∼L* Galaxy Halos via X-Ray and tSZ Constraints

  • Authors: Sam B. Ponnada, Philip F. Hopkins, Yue Samuel Lu, Emily M. Silich, Iryna S. Butsky, Dušan Kereš

Sam B. Ponnada et al 2026 The Astrophysical Journal Letters 997 .

  • Provider: AAS Journals

Caption: Figure 1.

Radial profiles of Pth and PCR in a simulated MW-mass halo. PCR (green dotted–dashed line; m12i CR+) can replace Pth (green dashed line; m12i CR+) if CRs effectively escape the disk of the galaxy and support the halo, in contrast to halos supported primarily via Pth (purple solid line; m12i MHD+).

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