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Table 1.
Polarization of changing-look quasars.
| Object | z | Observation date | p | σp | p0 | θ | σθ | g | Δg | Spectral type |
|---|---|---|---|---|---|---|---|---|---|---|
| (yyyy-mm-dd) | (%) | (%) | (%) | (°) | (°) | (mag) | (mag) | |||
| J101152.98+544206.4 | 0.246 | 2017-02-19 | 0.15 | 0.22 | 0.00 | – | – | 19.6±0.2 | 0.0 | 2 → 2 |
| J015957.62+003310.5 | 0.312 | 2018-01-13/14/15 | 0.47 | 0.27 | 0.41 | 158 | 16 | 20.5±0.2 | +0.5 | 2 → 2 |
| J100220.17+450927.3 | 0.400 | 2018-01-13/15 | 0.61 | 0.17 | 0.59 | 68 | 8 | 19.4±0.1 | −1.0 | 2 → 1? |
| J102152.34+464515.7 | 0.204 | 2018-01-14 | 0.16 | 0.23 | 0.00 | – | – | 19.4±0.1 | 0.0 | 2 → 2 |
| J132457.29+480241.2 | 0.272 | 2018-01-14 | 0.17 | 0.13 | 0.13 | 158 | 22 | 18.4±0.1 | −1.5 | 2 → 1? |
| J214613.31+000930.8 | 0.621 | 2018-09-13 | 0.28 | 0.43 | 0.00 | – | – | 20.8±0.2 | +0.5 | 1 → ? |
| J225240.37+010958.7 | 0.534 | 2018-09-13 | 1.10 | 0.66 | 0.94 | 115 | 20 | 21.2±0.1 | 0.0 | 2 → 2 |
| J233317.38−002303.4 | 0.513 | 2018-09-13 | 0.59 | 0.51 | 0.38 | 138 | 39 | 21.2±0.1 | +1.5 | 1 → 2? |
| J233602.98+001728.7 | 0.243 | 2018-09-13 | 0.21 | 0.12 | 0.18 | 47 | 19 | 20.3±0.1 | −1.0 | 2 → 1? |
| J002311.06+003517.5 | 0.422 | 2018-09-13 | 0.31 | 0.09 | 0.30 | 131 | 9 | 18.8±0.1 | 0.0 | 2 → 2 |
| J012648.08−083948.0 | 0.198 | 2018-09-13 | 0.13 | 0.07 | 0.11 | 24 | 18 | 19.1±0.1 | ? | 2 → ? |
| J022556.07+003026.7 | 0.504 | 2018-09-13 | 0.48 | 0.13 | 0.46 | 147 | 8 | 20.7±0.1 | 0.0 | 1 → 1 |
| J022652.24−003916.5 | 0.625 | 2018-09-13 | 6.87 | 0.64 | 6.84 | 71 | 3 | 22.8±0.2 | +1.0 | 2 → 2 |
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