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VROOM-SBI: A Fast Simulation-based Bayesian Inference Methodology for Stokes QU-fitting in Radio Interferometry

  • Authors: Arpan Pal, Preshanth Jagannathan

Arpan Pal and Preshanth Jagannathan 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 9.

Posterior corner plot for a representative pixel in MACS J1752+4440 (p0 ≈ 0.25, RM ≈ 25 rad m−2). Blue contours show the VROOM-SBI posterior (68% and 95% credible regions); the red curve shows the RMTOOLS-QUfit posterior. The RMTOOLS point estimate falls within the VROOM-SBI 68% credible region in every projection.

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