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VLBI Observations of SN 2012AU Reveal a Compact Radio Source a Decade Post Explosion

  • Authors: Mattias Lazda, Kenzie Nimmo, Maria R. Drout, Benito Marcote, Jason W. T. Hessels, Eli Wiston, Raffaella Margutti, Omar Ould-Boukattine, Tanmoy Laskar, Jacco Vink, Ryan Chornock, James K. Leung, Deanne L. Coppejans, Dan Milisavljevic, Juan Mena-Parra, Dan Patnaude

Mattias Lazda et al 2026 The Astrophysical Journal 1001 .

  • Provider: AAS Journals

Caption: Figure 8.

Images of J1303−1051 (left panels) and SN 2012au (right panels), showing the final clean images (top row) and residuals (bottom row) after combining epochs 1, 4, and 5 at 4.93 GHz. The 5σ contour is dashed; solid contours are at 50%, 70%, and 90% of the peak. The color scale is in mJy beam−1, and the synthesized beam is shown in the lower-left of each clean image. Residuals are saturated to ±5σ to highlight systematic calibration errors common to both datasets.

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