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CHANG-ES. XXXVIII. A Thin Radio Halo Shaped by Slow Cosmic-Ray Transport in the Quiescent Galaxy NGC 4565

  • Authors: Jianghui Xu, Jiang-Tao Li, Guilin Liu, Luan Luan, Volker Heesen, Rainer Beck, Judith Irwin, Q. Daniel Wang, Michael Stein, Li-Yuan Lu, Yang Yang, Jeroen Stil, Jayanne English, Ralf-Jürgen Dettmar

Jianghui Xu et al 2026 The Astrophysical Journal 1001 .

  • Provider: AAS Journals

Caption: Figure 6.

Distribution of the nonthermal spectral index derived by fitting a single power law to the 144 MHz (LOFAR), 1.57 GHz (VLA L-band), and 3.0 GHz (VLA S-band) data. The map is visualized using the colormap from J. English et al. (2024). Only regions with intensities >3σ at all three frequencies are taken into account. The beam of 20″ is displayed in the bottom-right corner.

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