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Table 1
Observational details of the photometric and spectroscopic data.
| Photometry | ||||
| Date | UT | Δ | α | Filter |
| (2010) | interval | (AU) | (deg) | |
|
|
||||
| Mar. 17 | [20:25–02:42] | 1.846 | 5.9 | uvbyI |
| Mar. 19 | [12:23–19:48] | 1.851 | 6.6 | R i′ |
| Mar. 20 | [11:38–18:47] | 1.855 | 7.0 | R i′ |
| Mar. 21 | [11:36–18:59] | 1.859 | 7.4 | R i′ |
|
|
||||
| Filters | Central wavelength (μm) | |||
| Strömgren u, v, b, y | 0.35, 0.41, 0.46, 0.54 | |||
| Cousins R, I | 0.64, 0.81 | |||
| Sloan i′ | 0.74 | |||
| Spectroscopy | ||||
| Spec. | UT | Julian | Airmass | Exp. |
| Id. | start | Date | time (s) | |
|
|
||||
| V1 | Apr. 7 [21:28] | 2 455 293.8945 | 1.101 | 2 × 200 |
| V2 | Apr. 7 [22:23] | 2 455 293.9328 | 1.109 | 2 × 200 |
| V3 | Apr. 7 [22:32] | 2 455 293.9393 | 1.115 | 2 × 200 |
| V4 | Apr. 8 [01:44] | 2 455 294.0724 | 1.878 | 2 × 200 |
| V5 | Apr. 8 [01:53] | 2 455 294.0789 | 1.981 | 2 × 200 |
| V6 | Apr. 8 [02:03] | 2 455 294.0859 | 2.107 | 2 × 200 |
| V7 | Apr. 8 [22:45] | 2 455 294.9484 | 1.132 | 2 × 200 |
| V8 | Apr. 8 [22:55] | 2 455 294.9550 | 1.144 | 2 × 200 |
| V9 | Apr. 8 [23:05] | 2 455 294.9617 | 1.158 | 2 × 200 |
| V10 | Apr. 8 [23:29] | 2 455 294.9785 | 1.204 | 2 × 200 |
|
|
||||
| IR1 | Apr. 5 [21:36] | 2 455 291.4006 | 1.101 | 4 × 15 |
| IR2 | Apr. 6 [00:01] | 2 455 291.5010 | 1.075 | 4 × 15 |
| IR3 | Apr. 6 [00:48] | 2 455 291.5342 | 1.156 | 4 × 20 |
| IR4 | Apr. 6 [00:55] | 2 455 291.5389 | 1.173 | 4 × 15 |
| IR5 | Apr. 6 [01:01] | 2 455 291.5431 | 1.189 | 2 × 15 |
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