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SN 2024iss: A Multiwavelength Exposé of a Type IIb Supernova with an Early-time Ultraviolet Spectrum and Shock-breakout Constraints

  • Authors: R. J. Yete, W. V. Jacobson-Galán, Ferdinand, L. Dessart, M. M. Kasliwal, K. W. Davis, A. L. Piro, V. A. Villar, I. Andreoni, K. Auchettl, K. C. Chambers, R. Chornock, M. W. Coughlin, D. A. Coulter, R. Dekany, R. J. Foley, O. D. Fox, L. Galbany, C. Gall, A. Gangopadhyay, J. A. Goldberg, G. Govindaraj, X. Guo, M. E. Huber, J. Castaneda Jaimes, J. Karcheski, R. Kaur, C. D. Kilpatrick, R. R. Laher, N. LeBaron, C.-C. Lin, R. Margutti, Y.-C. Pan, K. C. Patra, H. M. L. Perkins, P. J. Pessi, O. Pyshna, A. Rest, S. Romagnoli, S. Schulze, H. Sears, A. Sedgewick, M. R. Siebert, A. Singh, J. Sollerman, N. Sravan, S. Tinyanont, R. J. Wainscoat, Q. Wang, D. Warshofsky, Y. Yao, Y. Zenati

R. J. Yete et al 2026 The Astrophysical Journal 1009 .

  • Provider: AAS Journals

Caption: Figure 18.

Hydrogen-rich envelope mass versus progenitor radius of SNe IIb. Values were obtained from the following: 1993J (S. E. Woosley et al. 1994), 2011dh (M. C. Bersten et al. 2012), 2011fu (A. Morales-Garoffolo et al. 2015), 2011hs (F. Bufano et al. 2014), 2013df (A. Morales-Garoffolo et al. 2014), 2016gkg (I. Arcavi et al. 2017), 2017jgh (P. Armstrong et al. 2021), 2020bio (C. Pellegrino et al. 2023), 2022hnt (J. R. Farah et al. 2025), 2024abfo (A. Reguitti et al. 2025), and 2024uwq (B. M. Subrayan et al. 2025). SN 2024iss values from L. Chen et al. (2026) are highlighted in gray.

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