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Table 1.

Summary table of the compiled SN sample, along with important properties of the host, namely, its heliocentric redshift (as adopted from the OSC) and reddening caused by the dust in the Milky Way (Schlafly & Finkbeiner 2011).

Host zhelio E(B − V)MW SN Nspec Nphot (bands) References
M61 0.00522 0.0193 2008in 6 22 (BVRI) Nakano et al. (2008), de Jaeger et al. (2019)
2020jfo 7 21 (gri) Schulze et al. (2020), Sollerman et al. (2021)

NGC 772 0.00825 0.0623 2003hl 1 36 (BVRI) Moore et al. (2003), Faran et al. (2014)
2003iq 4 44 (BVRI) Llapasset et al. (2003), Faran et al. (2014)

NGC 922 0.01028 0.0163 2002gw 3 34 (BVI) Monard (2002), Galbany et al. (2016)
2008ho 2 11 (BV) Pignata et al. (2008); Anderson et al. (in prep.)

NGC 6946 0.00013 0.2967 2004et 6 40 (BVRI) Zwitter et al. (2004), Faran et al. (2014)
2017eaw 8 96 (BVRI) Wiggins (2017), Szalai et al. (2019)

Notes. References are provided for the discovery and photometry of the objects; for details on the spectroscopy, see Sect. 4.

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