Open Access
Table B.7.
Imaging polarimetry observations obtained with VLT/FORS2 for SN 2017gci and NOT/ALFOSC for the five SLSNe-I. The measurements of SN 2018ibb are presented in Schulze et al. (in prep).
| Date | MJD | Phase(a) | FWHM | S/N Ratio | Q | U | P(b) | θ |
|---|---|---|---|---|---|---|---|---|
| (d) | (d) | (pixel) | (%) | (%) | (%) | (°) | ||
| SN 2017egm | ||||||||
| V band | ||||||||
| 2017-06-19 | 57923.9 | −2.2 | 3.29 | 601.80 | 0.34 ± 0.36 | 0.15 ± 0.40 | 0.25 ± 0.38 | 11.9 ± 28.3 |
| 2017-06-28 | 57932.9 | 6.5 | 5.48 | 501.13 | 0.23 ± 0.37 | 0.02 ± 0.40 | 0.13 ± 0.39 | 2.5 ± 45.6 |
| R band | ||||||||
| 2017-06-17 | 57921.9 | −4.2 | 4.16 | 568.31 | 0.15 ± 0.36 | 0.15 ± 0.40 | 0.12 ± 0.38 | 22.5 ± 51.4 |
| 2017-06-19 | 57923.9 | −2.2 | 3.81 | 604.59 | 0.25 ± 0.36 | 0.34 ± 0.40 | 0.30 ± 0.38 | 26.8 ± 26.2 |
| 2017-06-28 | 57932.9 | 6.5 | 5.84 | 507.42 | 0.38 ± 0.37 | −0.07 ± 0.40 | 0.26 ± 0.39 | −5.2 ± 27.4 |
| I band | ||||||||
| 2017-06-19 | 57923.9 | −2.2 | 3.10 | 499.98 | −0.16 ± 0.37 | −0.33 ± 0.40 | 0.25 ± 0.39 | −57.9 ± 31.1 |
| 2017-06-28 | 57932.9 | 6.5 | 5.27 | 394.91 | 0.49 ± 0.38 | 0.44 ± 0.42 | 0.54 ± 0.40 | 21.0 ± 17.4 |
| SN 2017gci | ||||||||
| V band | ||||||||
| 2017-08-29 | 57994.4 | 7.0 | 0.00 | 1085.69 | −0.05 ± 0.06 | −0.05 ± 0.06 | 0.05 ± 0.06 | −67.6 ± 25.5 |
| 2017-09-23 | 58019.3 | 29.9 | 0.00 | 767.70 | 0.06 ± 0.09 | 0.20 ± 0.09 | 0.19 ± 0.09 | 36.1 ± 12.5 |
| 2017-10-19 | 58045.3 | 53.8 | 0.00 | 542.84 | −0.44 ± 0.13 | 0.34 ± 0.13 | 0.54 ± 0.13 | 71.1 ± 6.6 |
| 2017-12-17 | 58104.2 | 108.0 | 0.00 | 350.99 | −0.32 ± 0.20 | −0.09 ± 0.20 | 0.28 ± 0.20 | −82.0 ± 17.4 |
| SN 2018bgv | ||||||||
| V band | ||||||||
| 2018-05-24(c) | 58262.0 | 5.3 | 4.33 | 279.36 | 0.14 ± 0.25 | 0.03 ± 0.26 | 0.08 ± 0.26 | 6.0 ± 50.1 |
| 2018-06-04 | 58273.9 | 16.3 | 4.76 | 354.19 | 0.49 ± 0.21 | 0.62 ± 0.19 | 0.76 ± 0.20 | 25.8 ± 7.2 |
| 2018-06-12 | 58281.9 | 23.8 | 5.47 | 269.97 | 0.18 ± 0.26 | 0.37 ± 0.26 | 0.34 ± 0.26 | 32.0 ± 18.1 |
| 2018-06-26(d) | 58295.9 | 36.7 | 5.99 | 89.45 | 3.69 ± 0.81 | 1.75 ± 0.78 | 4.01 ± 0.80 | 12.7 ± 5.7 |
| 2018-07-12(d) | 58311.9 | 51.6 | 10.84 | 82.91 | 3.27 ± 0.86 | 0.75 ± 0.84 | 3.25 ± 0.85 | 6.5 ± 7.3 |
| SN 2018ffj | ||||||||
| V band | ||||||||
| 2018-08-26(d) | 58356.2 | 15.1 | 4.13 | 75.94 | 0.43 ± 0.96 | −1.70 ± 0.91 | 1.50 ± 0.94 | −37.9 ± 14.9 |
| 2018-09-08 | 58369.2 | 25.6 | 3.33 | 280.14 | −0.44 ± 0.25 | −0.07 ± 0.26 | 0.37 ± 0.26 | −85.2 ± 16.1 |
| 2018-09-19 | 58380.2 | 34.5 | 3.39 | 176.82 | 0.37 ± 0.40 | −0.04 ± 0.40 | 0.25 ± 0.40 | −3.5 ± 30.8 |
| SN 2019neq | ||||||||
| V band | ||||||||
| 2019-09-03 | 58729.9 | −3.7 | 3.69 | 634.85 | 0.07 ± 0.11 | −0.12 ± 0.11 | 0.11 ± 0.11 | −30.2 ± 22.7 |
| 2019-09-08(c) | 58734.9 | 0.8 | 9.92 | 237.53 | −0.78 ± 0.30 | 0.71 ± 0.30 | 1.01 ± 0.30 | 68.9 ± 8.2 |
| 2019-09-16 | 58742.9 | 8.0 | 3.52 | 453.49 | −0.32 ± 0.16 | −0.10 ± 0.16 | 0.29 ± 0.16 | −81.7 ± 14.0 |
| 2019-09-25 | 58751.9 | 16.2 | 5.92 | 434.88 | −0.31 ± 0.16 | 0.09 ± 0.16 | 0.28 ± 0.16 | 81.5 ± 14.5 |
| SN 2020tcw | ||||||||
| V band | ||||||||
| 2020-10-15 | 59137.8 | 7.3 | 5.67 | 576.84 | 0.15 ± 0.17 | 0.01 ± 0.17 | 0.10 ± 0.17 | 1.1 ± 30.9 |
| 2021-01-19 | 59233.3 | 96.9 | 4.01 | 502.44 | 0.03 ± 0.18 | −0.08 ± 0.18 | 0.05 ± 0.18 | −34.0 ± 57.0 |
(a)
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