Table 10.
Light-curve properties of slow-evolving SLSNe.
| Redshift | t1/e, rise | t1/e, decline | Mg, peak | (g − r)peak | |
|---|---|---|---|---|---|
| (day) | (day) | (mag) | (mag) | ||
| SN 2018ibb | 0.166 | 68 | 102 | −21.8 | −0.12 |
| LSQ14an (1) | 0.163 | … | ∼100 | < − 20.8 | −0.21 |
| PS1-11ap (2) | 0.524 | < 25 | 38 | −21.8 | … |
| PS1-14bj (2) | 0.521 | 83 | 130 | −20.6 | … |
| PTF12dam | 0.107 | 50 | 56 | < − 21.7 | −0.20 |
| SN 2007bi (3) | 0.128 | < 23 | < 77 | −21.3 | 0 |
| SN 2015bn | 0.114 | < 31 | 56 | −22.0 | −0.17 |
| ZTF SLSNe | 29 | 43 | −21.5 | −0.12 | |
Notes. The peak absolute magnitudes and the colours at tpeak are k-corrected and corrected for MW extinction. The uncertainty on the time scales is of the order of a few days. The peak magnitudes and colours have a statistical error of ≈0.1 mag. The row “ZTF SLSNe” summarises the median values of the homogeneous ZTF SLSN sample (Chen et al. 2023b). Chen et al. (2023b) do not report the median rise and decline 1/e time-scale. We inferred that value from their median 1/10 rise time-scale and the relationship between the rise and decline time scales reported in that paper.
The redshifts of PS1-11ap and PS1-14bj are so high that the rest-frame g − r colour cannot be inferred from spectra published in Lunnan et al. (2014) and McCrum et al. (2014).
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