Table 2.
Data for observed SN-IIb progenitor stars, similarly to what has been reported in Yoon et al. (2017) and Sravan et al. (2020).
From light-curves |
From pre-explosion imaging |
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Name |
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RLC | L | Teff | RBB | L | Teff | RBB |
(M⊙) | (R⊙) | (k L⊙) | (kK) | (R⊙) | (k L⊙) | (kK) | (R⊙) | |
1993J | (a),(b) 0.15–0.40 | / | (c)
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(c)
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2008ax | (d),(*) (0.06) | (d) 30–50 | (d)
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(d)
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(d)
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2011dh | (f) 0.10 | (f),(g) 200–300 | (e)
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(e)
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6.17 ± 0.01 |
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2013df | (i),(†) 0.10–0.20 | (i),(†) 64–169 | (h)
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(h) 4.25 ± 0.10 |
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4.37 ± 0.10 |
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2016gkg | (j) 0.01–0.09 | (j) 300–340 | (j)
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(j)
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(j)
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Notes. Column 2 contains the estimated mass of the extended envelope, and Col. 3 shows the estimated progenitor radius, both as derived from light-curve modeling. Columns 4–6 show the estimated luminosity, effective temperature, and progenitor radius from pre-explosion imaging. Columns 7–9 summarize data for the pre-explosion properties of each progenitor as elaborated by Gilkis & Arcavi (2022), containing respectively the same quantity as in Cols. 4–6. ( * )This value comes from one example binary evolution model which reproduces the L and Teff of the pre-explosion image at the end of its evolution (Folatelli et al. 2015). ( † )The source of these values uses the semi-analytical method presented in Nakar & Piro (2014).
References. (SN 1993J) (a)Woosley et al. (1994), (b)Houck & Fransson (1996) and (c) Maund et al. (2004; SN 2008ax) (d) Folatelli et al. (2015; SN 2011dh) (e)Maund et al. (2011), (f)Bersten et al. (2012) and (g) Ergon et al. (2015; SN 2013df) (h)Van Dyk et al. (2014) and (i) Morales-Garoffolo et al. (2014; SN 2016gkg) (j)Bersten et al. (2018).
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