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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 1.

The unabsorbed X-ray light curves of the detected SNe Ibn, along with the nondetections of SN 2023fyq. The Swift data on SN 2006jc, SN 2010al, and SN 2022ablq are from S. Immler et al. (2008), E. O. Ofek et al. (2013), and C. Pellegrino et al. (2024). The downward triangles represent 3σ upper limits from Chandra and Swift for SN 2023fyq. Deeper, earlier observations will be vital to constrain the subclass better at X-ray wavelengths.

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