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An Origin of Radially Aligned Filaments in Hub-filament Systems

  • Authors: Shingo Nozaki, Shu-ichiro Inutsuka

Shingo Nozaki and Shu-ichiro Inutsuka 2026 The Astrophysical Journal Letters 1000 .

  • Provider: AAS Journals

Caption: Figure 1.

H2 column density maps in the xy plane at t = 0.5 Myr after the shock sweeps the cloud for different inclination angles ψ between the shock propagation direction and the magnetic-field axis. The panels show ψ = 0°, 15°, and 30°. The color scale represents the H2 column density integrated along the z-axis. The box size is 5.0 pc on each side. Small inset schematics in each panel illustrate the definition of the inclination angle ψ (between the shock propagation direction and the magnetic-field axis) and the corresponding initial cloud-field geometry; the gray shape, magenta line, and blue arrow indicate the initial cloud density profile, magnetic-field direction, and shock propagation direction, respectively.

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