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Magnetar Fireballs and Short Bursts: Curved Spacetime Lensing, Quantum Electrodynamical Effects, Spectra, Polarization, and Impulse Responses

  • Authors: Zorawar Wadiasingh, Hoa Dinh Thi, Constantinos Kalapotharakos, Kun Hu, Matthew G. Baring, Alice K. Harding, George Younes, Sebastien Guillot, Andrea Sanna, Michela Negro, Jeremy D. Schnittman, Oliver J. Roberts, Eric Burns, Chin-Ping Hu, Ersin Göğüş

Zorawar Wadiasingh et al 2026 The Astrophysical Journal Supplement Series 286 .

  • Provider: AAS Journals

Caption: Figure 1.

Geometric angular coordinate parameters describing the loci of field line footpoints that define the fireball. The ellipse is centered at magnetic-frame coordinates (θ0, ϕ0), has angular semiaxes (Δθ0, Δϕ0), and is rotated by η on the stellar surface. Field lines anchored on this contour define the fireball flux-tube boundary discussed in Section 2.2. Symmetry about the magnetic equator is assumed, given the confined nature of fireballs.

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