Table 1.
Summary of the optical monitoring data in the Rc band.
| Target | zs | zl | Period of observation | #Epochs | Seeing | Sampling | Reference |
|---|---|---|---|---|---|---|---|
| HE 0047−1756 | 1.66 | 0.407 | Oct. 2nd 2016–Jan. 23rd 2018 | 186 | 1″09 | 1.80 days | Wisotzki et al. (2004) |
| WG 0214−2105 | 3.24 | ∼0.45 | June 2nd 2018–Feb. 19th 2020 | 296 | 1″08 | 1.50 days | Agnello & Spiniello (2019) |
| DES 0407−5006 | 1.515 | – | Aug. 3rd 2016–May 4th 2019 | 174 | 1″09 | 1.40 days | Anguita et al. (2018) |
| 2M 1134−2103 | 2.77 | – | Dec. 7th 2017–July 31st 2018 | 166 | 0″92 | 1.32 days | Lucey et al. (2018) |
| PSJ 1606−2333 | 1.69 | – | Jan. 25th 2018–Sep. 23rd 2018 | 158 | 0″95 | 1.52 days | Lemon et al. (2018) |
| DES 2325−5229 | 2.74 | 0.400 | Apr. 14th 2018–Jan. 6th 2019 | 183 | 1″22 | 1.33 days | Ostrovski et al. (2017) |
| TOTAL | – | – | Oct. 2nd 2016–May. 4th 2019 | 1163 | – | – | – |
Notes. Each epoch consists of 4 exposures of 320 s each. The temporal sampling is the mean number of days between two consecutive observations (epochs), excluding the seasonal gap for HE 0047−1756 and WG 0214−2105. Column 6 corresponds to the median seeing measured in the images for each object. The seeing and airmass distributions are shown in Fig. 1.
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