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Table 3.
Differences between epochs in the C IV, C III], and Mg II lines.
| Emission line | Wing | Object | Image | Epoch | Δm( * ) ± σ(**) | Δm/σ | Classification |
|---|---|---|---|---|---|---|---|
| C IV | Blue wing | Q 0142−100 | A | II-I | −0.07 ± 0.05 | 1.5 | |
| SDSS 1004+4112 | A | II-I | 0.28 ± 0.07 | 4.1 | Microlensing variability | ||
| III-I | 0.18 ± 0.04 | 4.2 | Microlensing variability | ||||
| IV-I | 0.43 ± 0.12 | 3.7 | Microlensing variability | ||||
| III-II | −0.10 ± 0.06 | 1.5 | |||||
| IV-II | 0.14 ± 0.09 | 1.6 | |||||
| IV-III | 0.19 ± 0.08 | 2.2 | Microlensing variability | ||||
| B | IV-I | 0.20 ± 0.12 | 1.7 | ||||
| HE 1104−1805 | A | III-II | −0.28 ± 0.15 | 1.8 | |||
| IV-III | 0.14 ± 0.08 | 1.7 | |||||
| V-III | 0.22 ± 0.08 | 2.9 | Intrinsic variability? | ||||
| B | III-I | −0.44 ± 0.23 | 1.9 | ||||
| IV-I | −0.23 ± 0.12 | 2.0 | Intrinsic variability? | ||||
| V-III | 0.29 ± 0.15 | 1.9 | |||||
| SDSS J1339+1310 | A | III-II | −0.18 ± 0.07 | 2.4 | Microlensing variability? | ||
| HE 2149−2745 | A | II-I | 0.12 ± 0.03 | 3.7 | Intrinsic variability? | ||
| B | III-II | −0.20 ± 0.05 | 3.7 | Microlensing variability | |||
| Red wing | Q 0142−100 | A | II-I | −0.20 ± 0.08 | 2.5 | Intrinsic variability? | |
| HE 0435−1223 | C | III-I | −0.49 ± 0.34 | 1.5 | |||
| SBS 0909+532 | A | II-I | −0.14 ± 0.06 | 2.2 | Microlensing variability? | ||
| SDSS 1004+4112 | A | III-I | 0.26 ± 0.08 | 3.1 | Microlensing variability | ||
| IV-I | 0.52 ± 0.23 | 2.3 | Microlensing variability | ||||
| HE 1104−1805 | A | III-II | −0.24 ± 0.06 | 4.2 | Intrinsic variability? | ||
| IV-II | −0.15 ± 0.07 | 2.3 | Intrinsic variability? | ||||
| IV-III | 0.09 ± 0.06 | 1.5 | |||||
| B | III-I | −0.14 ± 0.09 | 1.7 | ||||
| IV-I | −0.10 ± 0.05 | 2.0 | Intrinsic variability? | ||||
| SDSS J1339+1310 | A | III-II | −0.29 ± 0.05 | 6.4 | Microlensing variability | ||
| B | II-I | −0.16 ± 0.09 | 1.7 | ||||
| HE 2149−2745 | A | II-I | 0.23 ± 0.15 | 1.5 | |||
| III-II | −0.24 ± 0.14 | 1.7 | |||||
| C III] | Blue wing | SDSS 1004+4112 | A | IV-II | −0.26 ± 0.16 | 1.7 | |
| Q 0957+561 | B | III-I | −0.24 ± 0.16 | 1.5 | |||
| Red wing | Q 0957+561 | A | III-I | −0.46 ± 0.25 | 2.5 | Intrinsic variability? | |
| B | III-I | −0.81 ± 0.53 | 1.5 | ||||
| Mg II | Blue wing | HE 0435−1223 | A | IV-III | −0.12 ± 0.08 | 1.5 | |
| D | III-II | −0.21 ± 0.11 | 1.9 | ||||
| IV-III | −0.20 ± 0.12 | 1.6 | |||||
| FBQ 0951+2635 | A | II-I | −0.11 ± 0.07 | 1.5 | |||
| III-I | −0.15 ± 0.09 | 1.7 | |||||
| WFI 2033−4723 | C | III-II | 0.12 ± 0.07 | 1.6 | |||
| Red wing | HE 0435−1223 | D | IV-III | −0.37 ± 0.23 | 1.6 | ||
| SDSS J1353+1138 | B | II-I | 0.33 ± 0.20 | 1.6 | |||
Notes. (*)Magnitude difference between epochs for the same image. (**)Standard deviation of magnitude difference.
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