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The First Radio View of a Type Ibn Supernova in SN 2023fyq: Understanding the Mass-loss History in the Last Decade before the Explosion

  • Authors: Raphael Baer-Way, Nayana A. J., Wynn Jacobson-Galán, Poonam Chandra, Maryam Modjaz, Samantha C. Wu, Daichi Tsuna, Raffaella Margutti, Ryan Chornock, Craig Pellegrino, Yize Dong, Maria R. Drout, Charles D. Kilpatrick, Dan Milisavljevic, Daniel Patnaude, Candice Stauffer

Raphael Baer-Way et al 2025 The Astrophysical Journal Letters 995 .

  • Provider: AAS Journals

Caption: Figure 2.

Radio SEDs of SN 2023fyq at VLA frequencies (3–35 GHz) spanning 58–525 days post-explosion. We show the best-fit extrapolated single-epoch FFA models for each epoch, as described in Section 3. The downward-facing triangles denote 3σ flux density upper limits. The parameters for these fits are in Table 2.

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