Erik Kool (Stockholm University), and Takashi Moriya (NAOJ) et al. released their research results. See the URL below for the details.
The results were published in Nature on May 17, 2023.
”A radio-detected Type Ia supernova with helium-rich circumstellar material” E.C. Kool, J. Johansson, J. Sollerman, J. Moldon, T. J. Moriya, S. Mattila, S. Schulze, L. Chomiuk, M. Perez-Torres, C. Harris, P. Lundqvist, M. Graham, S. Yang, D. A. Perley, N. L. Strotjohann, C. Fremling, A. Gal-Yam, J. Lezmy, K. Maguire, C. Omand, M. Smith, I. Andreoni, E. C. Bellm, J. S. Bloom, K. De, S. L. Groom, M. M. Kasliwal, F. J. Masci, M S. Medford, S. Park, J. Purdum, T. M. Reynolds, R. Riddle, E. Robert, S. D. Ryder, Y. Sharma, D. Stern, Nature, doi: